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7996900 = 2252211379
BaseRepresentation
bin11110100000010111100100
3120001021200111
4132200113210
54021400100
6443222404
7124654402
oct36402744
916037614
107996900
11457220a
122817a04
13186cbc2
1410c2472
15a7e6ba
hex7a05e4

7996900 has 36 divisors (see below), whose sum is σ = 17481520. Its totient is φ = 3175200.

The previous prime is 7996889. The next prime is 7996903. The reversal of 7996900 is 96997.

It is a super-2 number, since 2×79969002 = 127900819220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7996903) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20911 + ... + 21289.

Almost surely, 27996900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7996900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8740760).

7996900 is an abundant number, since it is smaller than the sum of its proper divisors (9484620).

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

7996900 is a wasteful number, since it uses less digits than its factorization.

7996900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 7996900 is about 2827.8790638922. The cubic root of 7996900 is about 199.9741633291.

The spelling of 7996900 in words is "seven million, nine hundred ninety-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 211 379 422 758 844 1055 1516 1895 2110 3790 4220 5275 7580 9475 10550 18950 21100 37900 79969 159938 319876 399845 799690 1599380 1999225 3998450 7996900