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101864425 = 521317103179
BaseRepresentation
bin1100001001001…
…01001111101001
321002200020201111
412010211033221
5202034130200
614035150321
72344555555
oct604451751
9232606644
10101864425
1152555283
122a1453a1
1318147310
14d758865
158e220ba
hex61253e9

101864425 has 48 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 69719040.

The previous prime is 101864381. The next prime is 101864437. The reversal of 101864425 is 524468101.

It is not a de Polignac number, because 101864425 - 219 = 101340137 is a prime.

It is a super-2 number, since 2×1018644252 = 20752722161161250, which contains 22 as substring.

It is a plaindrome in base 7.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 568986 + ... + 569164.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2101864425 is an apocalyptic number.

It is an amenable number.

101864425 is a deficient number, since it is larger than the sum of its proper divisors (44376215).

101864425 is a wasteful number, since it uses less digits than its factorization.

101864425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 101864425 is about 10092.7907438924. The cubic root of 101864425 is about 467.0257709307.

The spelling of 101864425 in words is "one hundred one million, eight hundred sixty-four thousand, four hundred twenty-five".

Divisors: 1 5 13 17 25 65 85 103 179 221 325 425 515 895 1105 1339 1751 2327 2575 3043 4475 5525 6695 8755 11635 15215 18437 22763 33475 39559 43775 58175 76075 92185 113815 197795 239681 313429 460925 569075 988975 1198405 1567145 4074577 5992025 7835725 20372885 101864425