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55260156 = 22374713997
BaseRepresentation
bin1101001011001…
…1001111111100
310211222111200110
43102303033330
5103121311111
65252230020
71240463220
oct322631774
9124874613
1055260156
1129213856
121660b310
13b5aa723
1474a6780
154cb85a6
hex34b33fc

55260156 has 48 divisors (see below), whose sum is σ = 150506496. Its totient is φ = 15451584.

The previous prime is 55260143. The next prime is 55260157. The reversal of 55260156 is 65106255.

It is a super-2 number, since 2×552601562 = 6107369682288672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55260157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (3135552).

Almost surely, 255260156 is an apocalyptic number.

It is an amenable number.

55260156 is an abundant number, since it is smaller than the sum of its proper divisors (95246340).

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

55260156 is a wasteful number, since it uses less digits than its factorization.

55260156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058 (or 14056 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 55260156 is about 7433.7175087570. The cubic root of 55260156 is about 380.8939158085.

The spelling of 55260156 in words is "fifty-five million, two hundred sixty thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 13997 27994 41991 55988 83982 97979 167964 195958 293937 391916 587874 657859 1175748 1315718 1973577 2631436 3947154 4605013 7894308 9210026 13815039 18420052 27630078 55260156