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79997002 = 21713916927
BaseRepresentation
bin1001100010010…
…10100001001010
312120112021020221
410301022201022
5130434401002
611534340254
71660651261
oct461124112
9176467227
1079997002
1141179a28
122295a68a
131375bc07
14a8a55d8
157052c37
hex4c4a84a

79997002 has 16 divisors (see below), whose sum is σ = 127975680. Its totient is φ = 37372608.

The previous prime is 79996999. The next prime is 79997003. The reversal of 79997002 is 20079997.

It is a self number, because there is not a number n which added to its sum of digits gives 79997002.

It is not an unprimeable number, because it can be changed into a prime (79997003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3738 + ... + 13189.

It is an arithmetic number, because the mean of its divisors is an integer number (7998480).

Almost surely, 279997002 is an apocalyptic number.

79997002 is a deficient number, since it is larger than the sum of its proper divisors (47978678).

79997002 is a wasteful number, since it uses less digits than its factorization.

79997002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17085.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 79997002 is about 8944.1043151341. The cubic root of 79997002 is about 430.8815554431.

The spelling of 79997002 in words is "seventy-nine million, nine hundred ninety-seven thousand, two".

Divisors: 1 2 17 34 139 278 2363 4726 16927 33854 287759 575518 2352853 4705706 39998501 79997002