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1372666536 = 2332145313121
BaseRepresentation
bin101000111010001…
…0011101010101000
310112122220200111100
41101310103222220
510302400312121
6344113001400
746005321153
oct12164235250
93478820440
101372666536
1164491a75a
12323853260
1318b4cb427
14d0438c9a
1580796026
hex51d13aa8

1372666536 has 48 divisors (see below), whose sum is σ = 3720480660. Its totient is φ = 457205760.

The previous prime is 1372666531. The next prime is 1372666573. The reversal of 1372666536 is 6356662731.

It can be written as a sum of positive squares in 2 ways, for example, as 1354976100 + 17690436 = 36810^2 + 4206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1372666491 and 1372666500.

It is not an unprimeable number, because it can be changed into a prime (1372666531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98056 + ... + 111176.

Almost surely, 21372666536 is an apocalyptic number.

It is an amenable number.

1372666536 is an abundant number, since it is smaller than the sum of its proper divisors (2347814124).

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

1372666536 is a wasteful number, since it uses less digits than its factorization.

1372666536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586 (or 14579 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 1372666536 is about 37049.5146526915. The cubic root of 1372666536 is about 1111.3606494141.

The spelling of 1372666536 in words is "one billion, three hundred seventy-two million, six hundred sixty-six thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1453 2906 4359 5812 8718 11624 13077 13121 17436 26154 26242 34872 39363 52308 52484 78726 104616 104968 118089 157452 236178 314904 472356 944712 19064813 38129626 57194439 76259252 114388878 152518504 171583317 228777756 343166634 457555512 686333268 1372666536