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79012 = 2219753
BaseRepresentation
bin10011010010100100
311000101101
4103102210
510012022
61405444
7446233
oct232244
9130341
1079012
11543aa
1239884
1329c6b
1420b1a
1518627
hex134a4

79012 has 6 divisors (see below), whose sum is σ = 138278. Its totient is φ = 39504.

The previous prime is 78989. The next prime is 79031. The reversal of 79012 is 21097.

It can be written as a sum of positive squares in only one way, i.e., 60516 + 18496 = 246^2 + 136^2 .

It is a super-2 number, since 2×790122 = 12485792288, which contains 22 as substring.

It is an unprimeable number.

79012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9873 + ... + 9880.

279012 is an apocalyptic number.

It is an amenable number.

79012 is a deficient number, since it is larger than the sum of its proper divisors (59266).

79012 is a wasteful number, since it uses less digits than its factorization.

79012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19757 (or 19755 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 79012 is about 281.0907326825. The cubic root of 79012 is about 42.9105767377.

The spelling of 79012 in words is "seventy-nine thousand, twelve".

Divisors: 1 2 4 19753 39506 79012