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125670450 = 23523072729
BaseRepresentation
bin1110111110110…
…01010000110010
322202110201110010
413133121100302
5224132423300
620245315350
73054116103
oct737312062
9282421403
10125670450
1164a35084
1236105b56
1320060c19
14129943aa
15b075a50
hex77d9432

125670450 has 48 divisors (see below), whose sum is σ = 312792480. Its totient is φ = 33390720.

The previous prime is 125670407. The next prime is 125670469. The reversal of 125670450 is 54076521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44686 + ... + 47414.

It is an arithmetic number, because the mean of its divisors is an integer number (6516510).

Almost surely, 2125670450 is an apocalyptic number.

125670450 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 125670450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156396240).

125670450 is an abundant number, since it is smaller than the sum of its proper divisors (187122030).

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

125670450 is a wasteful number, since it uses less digits than its factorization.

125670450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051 (or 3046 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 125670450 is about 11210.2832256817. The cubic root of 125670450 is about 500.8923398451.

The spelling of 125670450 in words is "one hundred twenty-five million, six hundred seventy thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 307 614 921 1535 1842 2729 3070 4605 5458 7675 8187 9210 13645 15350 16374 23025 27290 40935 46050 68225 81870 136450 204675 409350 837803 1675606 2513409 4189015 5026818 8378030 12567045 20945075 25134090 41890150 62835225 125670450