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15081996 = 2233140543
BaseRepresentation
bin111001100010…
…001000001100
31001101020121110
4321202020030
512330110441
61255132020
7242123556
oct71421014
931336543
1015081996
118571366
125074010
133180a77
1420084d6
1514cdb16
hexe6220c

15081996 has 24 divisors (see below), whose sum is σ = 36327424. Its totient is φ = 4865040.

The previous prime is 15081961. The next prime is 15082049. The reversal of 15081996 is 69918051.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19900 + ... + 20643.

Almost surely, 215081996 is an apocalyptic number.

It is an amenable number.

15081996 is an abundant number, since it is smaller than the sum of its proper divisors (21245428).

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

15081996 is a wasteful number, since it uses less digits than its factorization.

15081996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40581 (or 40579 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 15081996 is about 3883.5545573611. The cubic root of 15081996 is about 247.0697678092.

The spelling of 15081996 in words is "fifteen million, eighty-one thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 40543 81086 121629 162172 243258 486516 1256833 2513666 3770499 5027332 7540998 15081996