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53091038 = 271113231153
BaseRepresentation
bin1100101010000…
…1101011011110
310200220022012202
43022201223132
5102042403123
65133531502
71213160240
oct312415336
9120808182
1053091038
1127a720a0
1215943b92
13accb320
1470a0090
1549daa28
hex32a1ade

53091038 has 64 divisors (see below), whose sum is σ = 111670272. Its totient is φ = 18247680.

The previous prime is 53091037. The next prime is 53091043. The reversal of 53091038 is 83019035.

It is a self number, because there is not a number n which added to its sum of digits gives 53091038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53091037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45470 + ... + 46622.

It is an arithmetic number, because the mean of its divisors is an integer number (1744848).

Almost surely, 253091038 is an apocalyptic number.

53091038 is an abundant number, since it is smaller than the sum of its proper divisors (58579234).

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

53091038 is a wasteful number, since it uses less digits than its factorization.

53091038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 53091038 is about 7286.3597221109. The cubic root of 53091038 is about 375.8435245616.

The spelling of 53091038 in words is "fifty-three million, ninety-one thousand, thirty-eight".

Divisors: 1 2 7 11 13 14 22 23 26 46 77 91 143 154 161 182 253 286 299 322 506 598 1001 1153 1771 2002 2093 2306 3289 3542 4186 6578 8071 12683 14989 16142 23023 25366 26519 29978 46046 53038 88781 104923 164879 177562 185633 209846 291709 329758 344747 371266 583418 689494 1154153 2041963 2308306 2413229 3792217 4083926 4826458 7584434 26545519 53091038