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125677420 = 22511571261
BaseRepresentation
bin1110111110110…
…10111101101100
322202111002000021
413133122331230
5224133134140
620245411524
73054145321
oct737327554
9282432007
10125677420
1164a3a340
1236109ba4
132006414b
1412996b48
15b077b4a
hex77daf6c

125677420 has 24 divisors (see below), whose sum is σ = 287916048. Its totient is φ = 45700800.

The previous prime is 125677417. The next prime is 125677421. The reversal of 125677420 is 24776521.

It is not an unprimeable number, because it can be changed into a prime (125677421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285411 + ... + 285850.

It is an arithmetic number, because the mean of its divisors is an integer number (11996502).

Almost surely, 2125677420 is an apocalyptic number.

125677420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125677420 is an abundant number, since it is smaller than the sum of its proper divisors (162238628).

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

125677420 is a wasteful number, since it uses less digits than its factorization.

125677420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571281 (or 571279 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 125677420 is about 11210.5940966570. The cubic root of 125677420 is about 500.9015999246.

The spelling of 125677420 in words is "one hundred twenty-five million, six hundred seventy-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 571261 1142522 2285044 2856305 5712610 6283871 11425220 12567742 25135484 31419355 62838710 125677420