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125607040 = 2751331487
BaseRepresentation
bin1110111110010…
…01110010000000
322202100111110121
413133021302000
5224123411130
620244110024
73053433166
oct737116200
9282314417
10125607040
11649a1479
1236095314
132003b0c0
1412979236
15b061d7a
hex77c9c80

125607040 has 128 divisors (see below), whose sum is σ = 334494720. Its totient is φ = 44789760.

The previous prime is 125607037. The next prime is 125607059. The reversal of 125607040 is 40706521.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 125606996 and 125607014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257677 + ... + 258163.

It is an arithmetic number, because the mean of its divisors is an integer number (2613240).

Almost surely, 2125607040 is an apocalyptic number.

125607040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125607040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167247360).

125607040 is an abundant number, since it is smaller than the sum of its proper divisors (208887680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125607040 is a wasteful number, since it uses less digits than its factorization.

125607040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 125607040 is about 11207.4546619650. The cubic root of 125607040 is about 500.8080799766.

It can be divided in two parts, 12560 and 7040, that added together give a square (19600 = 1402).

The spelling of 125607040 in words is "one hundred twenty-five million, six hundred seven thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 128 130 155 160 208 248 260 310 320 403 416 487 496 520 620 640 806 832 974 992 1040 1240 1612 1664 1948 1984 2015 2080 2435 2480 3224 3896 3968 4030 4160 4870 4960 6331 6448 7792 8060 8320 9740 9920 12662 12896 15097 15584 16120 19480 19840 25324 25792 30194 31168 31655 32240 38960 50648 51584 60388 62336 63310 64480 75485 77920 101296 120776 126620 128960 150970 155840 196261 202592 241552 253240 257920 301940 311680 392522 405184 483104 506480 603880 785044 810368 966208 981305 1012960 1207760 1570088 1932416 1962610 2025920 2415520 3140176 3925220 4051840 4831040 6280352 7850440 9662080 12560704 15700880 25121408 31401760 62803520 125607040