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125450370 = 2345154877
BaseRepresentation
bin1110111101000…
…11100010000010
322202001112120000
413132203202002
5224103402440
620240500430
73052211343
oct736434202
9282045500
10125450370
11648a47a1
123601a716
131ccb49b6
14129380ca
15b030730
hex77a3882

125450370 has 40 divisors (see below), whose sum is σ = 337324284. Its totient is φ = 33453216.

The previous prime is 125450363. The next prime is 125450371. The reversal of 125450370 is 73054521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125148969 + 301401 = 11187^2 + 549^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125450371) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 76629 + ... + 78248.

Almost surely, 2125450370 is an apocalyptic number.

125450370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125450370 is an abundant number, since it is smaller than the sum of its proper divisors (211873914).

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

125450370 is a wasteful number, since it uses less digits than its factorization.

125450370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154896 (or 154887 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 125450370 is about 11200.4629368611. The cubic root of 125450370 is about 500.5997735889.

The spelling of 125450370 in words is "one hundred twenty-five million, four hundred fifty thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 154877 309754 464631 774385 929262 1393893 1548770 2323155 2787786 4181679 4646310 6969465 8363358 12545037 13938930 20908395 25090074 41816790 62725185 125450370