Search a number
-
+
125413830 = 232583103163
BaseRepresentation
bin1110111100110…
…10100111000110
322201222200102200
413132122213012
5224101220310
620240015330
73051666663
oct736324706
9281880380
10125413830
116487a2a3
1236001546
131cca1189
1412928a6a
15b0249c0
hex779a9c6

125413830 has 96 divisors (see below), whose sum is σ = 335252736. Its totient is φ = 32519232.

The previous prime is 125413801. The next prime is 125413853. The reversal of 125413830 is 38314521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125413794 and 125413803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 769329 + ... + 769491.

It is an arithmetic number, because the mean of its divisors is an integer number (3492216).

Almost surely, 2125413830 is an apocalyptic number.

125413830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125413830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167626368).

125413830 is an abundant number, since it is smaller than the sum of its proper divisors (209838906).

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

125413830 is a wasteful number, since it uses less digits than its factorization.

125413830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 125413830 is about 11198.8316354877. The cubic root of 125413830 is about 500.5511655432.

The spelling of 125413830 in words is "one hundred twenty-five million, four hundred thirteen thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 83 90 103 163 166 206 249 309 326 415 489 498 515 618 747 815 830 927 978 1030 1245 1467 1494 1545 1630 1854 2445 2490 2934 3090 3735 4635 4890 7335 7470 8549 9270 13529 14670 16789 17098 25647 27058 33578 40587 42745 50367 51294 67645 76941 81174 83945 85490 100734 121761 128235 135290 151101 153882 167890 202935 243522 251835 256470 302202 384705 405870 503670 608805 755505 769410 1217610 1393487 1511010 2786974 4180461 6967435 8360922 12541383 13934870 20902305 25082766 41804610 62706915 125413830