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79882973 = 194204367
BaseRepresentation
bin1001100001011…
…10101011011101
312120022110211122
410300232223131
5130422223343
611532100325
71656664652
oct460565335
9176273748
1079882973
1141101295
12229046a5
131371c041
14a875c29
15702e068
hex4c2eadd

79882973 has 4 divisors (see below), whose sum is σ = 84087360. Its totient is φ = 75678588.

The previous prime is 79882879. The next prime is 79882993. The reversal of 79882973 is 37928897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37928897 = 291307893.

It is a cyclic number.

It is not a de Polignac number, because 79882973 - 28 = 79882717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79882993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102165 + ... + 2102202.

It is an arithmetic number, because the mean of its divisors is an integer number (21021840).

Almost surely, 279882973 is an apocalyptic number.

It is an amenable number.

79882973 is a deficient number, since it is larger than the sum of its proper divisors (4204387).

79882973 is a wasteful number, since it uses less digits than its factorization.

79882973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204386.

The product of its digits is 1524096, while the sum is 53.

The square root of 79882973 is about 8937.7275075939. The cubic root of 79882973 is about 430.6767296157.

The spelling of 79882973 in words is "seventy-nine million, eight hundred eighty-two thousand, nine hundred seventy-three".

Divisors: 1 19 4204367 79882973