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55261038 = 23710912071
BaseRepresentation
bin1101001011001…
…1011101101110
310211222112220010
43102303131232
5103121323123
65252234050
71240465620
oct322633556
9124875803
1055261038
1129214488
121660b926
13b5aac51
1474a6c10
154cb8993
hex34b376e

55261038 has 32 divisors (see below), whose sum is σ = 127480320. Its totient is φ = 15642720.

The previous prime is 55261027. The next prime is 55261043. The reversal of 55261038 is 83016255.

It is a junction number, because it is equal to n+sod(n) for n = 55260996 and 55261014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458 + ... + 10613.

It is an arithmetic number, because the mean of its divisors is an integer number (3983760).

Almost surely, 255261038 is an apocalyptic number.

55261038 is an abundant number, since it is smaller than the sum of its proper divisors (72219282).

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

55261038 is a wasteful number, since it uses less digits than its factorization.

55261038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 55261038 is about 7433.7768328085. The cubic root of 55261038 is about 380.8959422634.

The spelling of 55261038 in words is "fifty-five million, two hundred sixty-one thousand, thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 109 218 327 654 763 1526 2289 4578 12071 24142 36213 72426 84497 168994 253491 506982 1315739 2631478 3947217 7894434 9210173 18420346 27630519 55261038