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56238936 = 233131953179
BaseRepresentation
bin1101011010001…
…0001101011000
310220211020022120
43112202031120
5103344121221
65325221240
71252010625
oct326421530
9126736276
1056238936
1129822166
1216a01820
13b8610a0
14767d34c
154e0d5c6
hex35a2358

56238936 has 128 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 15994368.

The previous prime is 56238913. The next prime is 56238937. The reversal of 56238936 is 63983265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56238937) 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, 314095 + ... + 314273.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 256238936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56238936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

56238936 is an abundant number, since it is smaller than the sum of its proper divisors (107057064).

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

56238936 is a wasteful number, since it uses less digits than its factorization.

56238936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 269 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 56238936 is about 7499.2623637262. The cubic root of 56238936 is about 383.1295932234.

The spelling of 56238936 in words is "fifty-six million, two hundred thirty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 13 19 24 26 38 39 52 53 57 76 78 104 106 114 152 156 159 179 212 228 247 312 318 358 424 456 494 537 636 689 716 741 988 1007 1074 1272 1378 1432 1482 1976 2014 2067 2148 2327 2756 2964 3021 3401 4028 4134 4296 4654 5512 5928 6042 6802 6981 8056 8268 9308 9487 10203 12084 13091 13604 13962 16536 18616 18974 20406 24168 26182 27208 27924 28461 37948 39273 40812 44213 52364 55848 56922 75896 78546 81624 88426 104728 113844 123331 132639 157092 176852 180253 227688 246662 265278 314184 353704 360506 369993 493324 530556 540759 721012 739986 986648 1061112 1081518 1442024 1479972 2163036 2343289 2959944 4326072 4686578 7029867 9373156 14059734 18746312 28119468 56238936