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1296764952 = 23377718839
BaseRepresentation
bin100110101001011…
…0001000000011000
310100101002111002120
41031102301000120
510123432434302
6332402101240
744064214560
oct11522610030
93311074076
101296764952
11605a9877a
1230234a820
13178874652
14c431bda0
1578ca19bc
hex4d4b1018

1296764952 has 32 divisors (see below), whose sum is σ = 3705043200. Its totient is φ = 370504224.

The previous prime is 1296764951. The next prime is 1296764969. The reversal of 1296764952 is 2594676921.

It is a junction number, because it is equal to n+sod(n) for n = 1296764895 and 1296764904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296764951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3859252 + ... + 3859587.

It is an arithmetic number, because the mean of its divisors is an integer number (115782600).

Almost surely, 21296764952 is an apocalyptic number.

1296764952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1296764952 is an abundant number, since it is smaller than the sum of its proper divisors (2408278248).

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

1296764952 is a wasteful number, since it uses less digits than its factorization.

1296764952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718855 (or 7718851 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 1296764952 is about 36010.6227660672. The cubic root of 1296764952 is about 1090.4868212303.

The spelling of 1296764952 in words is "one billion, two hundred ninety-six million, seven hundred sixty-four thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 7718839 15437678 23156517 30875356 46313034 54031873 61750712 92626068 108063746 162095619 185252136 216127492 324191238 432254984 648382476 1296764952