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814990952 = 23101873869
BaseRepresentation
bin110000100100111…
…100011001101000
32002210112211102002
4300210330121220
53132114202302
6212512030132
726124210626
oct6044743150
92083484362
10814990952
1138904a846
121a8b32348
13ccb01389
147a34c516
154b838c02
hex3093c668

814990952 has 8 divisors (see below), whose sum is σ = 1528108050. Its totient is φ = 407495472.

The previous prime is 814990937. The next prime is 814991003. The reversal of 814990952 is 259099418.

It can be written as a sum of positive squares in only one way, i.e., 726518116 + 88472836 = 26954^2 + 9406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 814990897 and 814990906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50936927 + ... + 50936942.

Almost surely, 2814990952 is an apocalyptic number.

It is an amenable number.

814990952 is a deficient number, since it is larger than the sum of its proper divisors (713117098).

814990952 is a wasteful number, since it uses less digits than its factorization.

814990952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101873875 (or 101873871 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 814990952 is about 28548.0463779923. The cubic root of 814990952 is about 934.0804067315.

The spelling of 814990952 in words is "eight hundred fourteen million, nine hundred ninety thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 101873869 203747738 407495476 814990952