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55038712 = 236879839
BaseRepresentation
bin1101000111110…
…1001011111000
310211120020220211
43101331023320
5103042214322
65243400504
71235551501
oct321751370
9124506824
1055038712
1129082443
1216523134
13b5309b1
147449ba8
154c72b77
hex347d2f8

55038712 has 8 divisors (see below), whose sum is σ = 103197600. Its totient is φ = 27519352.

The previous prime is 55038677. The next prime is 55038719. The reversal of 55038712 is 21783055.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55038719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439912 + ... + 3439927.

It is an arithmetic number, because the mean of its divisors is an integer number (12899700).

Almost surely, 255038712 is an apocalyptic number.

It is an amenable number.

55038712 is a deficient number, since it is larger than the sum of its proper divisors (48158888).

55038712 is a wasteful number, since it uses less digits than its factorization.

55038712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879845 (or 6879841 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 55038712 is about 7418.8079905063. The cubic root of 55038712 is about 380.3844493299.

The spelling of 55038712 in words is "fifty-five million, thirty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 6879839 13759678 27519356 55038712