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100313992 = 2312539249
BaseRepresentation
bin1011111101010…
…10101110001000
320222202110221001
411332222232020
5201140021432
613542024344
72325440422
oct576525610
9228673831
10100313992
1151696429
12297180b4
1317a236bc
14d473812
158c179e7
hex5faab88

100313992 has 8 divisors (see below), whose sum is σ = 188088750. Its totient is φ = 50156992.

The previous prime is 100313989. The next prime is 100314007. The reversal of 100313992 is 299313001.

It can be written as a sum of positive squares in only one way, i.e., 89984196 + 10329796 = 9486^2 + 3214^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 100313992.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6269617 + ... + 6269632.

Almost surely, 2100313992 is an apocalyptic number.

It is an amenable number.

100313992 is a deficient number, since it is larger than the sum of its proper divisors (87774758).

100313992 is a wasteful number, since it uses less digits than its factorization.

100313992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539255 (or 12539251 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 100313992 is about 10015.6872954381. The cubic root of 100313992 is about 464.6441830348.

Adding to 100313992 its reverse (299313001), we get a palindrome (399626993).

The spelling of 100313992 in words is "one hundred million, three hundred thirteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 12539249 25078498 50156996 100313992