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7998896 = 242917239
BaseRepresentation
bin11110100000110110110000
3120001101102102
4132200312300
54021431041
6443235532
7124663253
oct36406660
916041372
107998896
114573764
122818ba8
131870a99
1410c309a
15a8009b
hex7a0db0

7998896 has 20 divisors (see below), whose sum is σ = 16033200. Its totient is φ = 3861312.

The previous prime is 7998863. The next prime is 7998937. The reversal of 7998896 is 6988997.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8156 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (801660).

Almost surely, 27998896 is an apocalyptic number.

It is an amenable number.

7998896 is an abundant number, since it is smaller than the sum of its proper divisors (8034304).

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

7998896 is a wasteful number, since it uses less digits than its factorization.

7998896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17276 (or 17270 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 56.

The square root of 7998896 is about 2828.2319565410. The cubic root of 7998896 is about 199.9907995768.

The spelling of 7998896 in words is "seven million, nine hundred ninety-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 29 58 116 232 464 17239 34478 68956 137912 275824 499931 999862 1999724 3999448 7998896