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55111304 = 2331613643
BaseRepresentation
bin1101001000111…
…0111010001000
310211200221111102
43102032322020
5103102030204
65245120532
71236303233
oct322167210
9124627442
1055111304
1129121a36
1216559148
13b557a51
14746841a
154c8941e
hex348ee88

55111304 has 32 divisors (see below), whose sum is σ = 108445440. Its totient is φ = 26222400.

The previous prime is 55111291. The next prime is 55111321. The reversal of 55111304 is 40311155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13307 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (3388920).

Almost surely, 255111304 is an apocalyptic number.

It is an amenable number.

55111304 is a deficient number, since it is larger than the sum of its proper divisors (53334136).

55111304 is a wasteful number, since it uses less digits than its factorization.

55111304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 55111304 is about 7423.6988085455. The cubic root of 55111304 is about 380.5516088682.

Adding to 55111304 its reverse (40311155), we get a palindrome (95422459).

The spelling of 55111304 in words is "fifty-five million, one hundred eleven thousand, three hundred four".

Divisors: 1 2 4 8 31 61 62 122 124 244 248 488 1891 3643 3782 7286 7564 14572 15128 29144 112933 222223 225866 444446 451732 888892 903464 1777784 6888913 13777826 27555652 55111304