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56710212 = 2231319353
BaseRepresentation
bin1101100001010…
…1010001000100
310221201011210020
43120111101010
5104004211322
65343255140
71256012616
oct330252104
9127634706
1056710212
112a014249
1216baa4b0
13b997750
147762db6
154ea305c
hex3615444

56710212 has 96 divisors (see below), whose sum is σ = 153256320. Its totient is φ = 16219008.

The previous prime is 56710211. The next prime is 56710217. The reversal of 56710212 is 21201765.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (56710211) 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, 1069978 + ... + 1070030.

It is an arithmetic number, because the mean of its divisors is an integer number (1596420).

Almost surely, 256710212 is an apocalyptic number.

56710212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56710212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76628160).

56710212 is an abundant number, since it is smaller than the sum of its proper divisors (96546108).

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

56710212 is a wasteful number, since it uses less digits than its factorization.

56710212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 56710212 is about 7530.6183013083. The cubic root of 56710212 is about 384.1968120878.

Adding to 56710212 its reverse (21201765), we get a palindrome (77911977).

The spelling of 56710212 in words is "fifty-six million, seven hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 53 57 76 78 106 114 156 159 212 228 247 318 361 494 636 689 722 741 988 1007 1083 1378 1444 1482 2014 2067 2166 2756 2964 3021 4028 4134 4332 4693 6042 6859 8268 9386 12084 13091 13718 14079 18772 19133 20577 26182 27436 28158 38266 39273 41154 52364 56316 57399 76532 78546 82308 89167 114798 157092 178334 229596 248729 267501 356668 363527 497458 535002 727054 746187 994916 1070004 1090581 1454108 1492374 2181162 2984748 4362324 4725851 9451702 14177553 18903404 28355106 56710212