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125552620 = 2256277631
BaseRepresentation
bin1110111101111…
…00011111101100
322202020201211001
413132330133230
5224120140440
620243010044
73053115424
oct736743754
9282221731
10125552620
11649645a6
1236069924
132001c3bb
1412963484
15b050b9a
hex77bc7ec

125552620 has 12 divisors (see below), whose sum is σ = 263660544. Its totient is φ = 50221040.

The previous prime is 125552593. The next prime is 125552639. The reversal of 125552620 is 26255521.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3138796 + ... + 3138835.

It is an arithmetic number, because the mean of its divisors is an integer number (21971712).

Almost surely, 2125552620 is an apocalyptic number.

125552620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125552620 is an abundant number, since it is smaller than the sum of its proper divisors (138107924).

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

125552620 is a wasteful number, since it uses less digits than its factorization.

125552620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277640 (or 6277638 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 125552620 is about 11205.0265506156. The cubic root of 125552620 is about 500.7357434986.

The spelling of 125552620 in words is "one hundred twenty-five million, five hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6277631 12555262 25110524 31388155 62776310 125552620