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20315096 = 232539387
BaseRepresentation
bin100110101111…
…1101111011000
31102020010001222
41031133233120
520200040341
62003231212
7334450454
oct115375730
942203058
1020315096
111051603a
126978508
134293989
1429ab664
151bb444b
hex135fbd8

20315096 has 8 divisors (see below), whose sum is σ = 38090820. Its totient is φ = 10157544.

The previous prime is 20315083. The next prime is 20315117. The reversal of 20315096 is 69051302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269686 + ... + 1269701.

Almost surely, 220315096 is an apocalyptic number.

It is an amenable number.

20315096 is a deficient number, since it is larger than the sum of its proper divisors (17775724).

20315096 is a wasteful number, since it uses less digits than its factorization.

20315096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539393 (or 2539389 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 20315096 is about 4507.2270854706. The cubic root of 20315096 is about 272.8598438842.

Adding to 20315096 its reverse (69051302), we get a palindrome (89366398).

The spelling of 20315096 in words is "twenty million, three hundred fifteen thousand, ninety-six".

Divisors: 1 2 4 8 2539387 5078774 10157548 20315096