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79920852 = 223113119531
BaseRepresentation
bin1001100001101…
…11111011010100
312120101101210120
410300313323110
5130424431402
611532551540
71660213254
oct460677324
9176341716
1079920852
11411277a0
12229225b0
131373335b
14a885964
15703a3bc
hex4c37ed4

79920852 has 48 divisors (see below), whose sum is σ = 210008064. Its totient is φ = 23436000.

The previous prime is 79920833. The next prime is 79920857. The reversal of 79920852 is 25802997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79920857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5674 + ... + 13857.

It is an arithmetic number, because the mean of its divisors is an integer number (4375168).

Almost surely, 279920852 is an apocalyptic number.

It is an amenable number.

79920852 is an abundant number, since it is smaller than the sum of its proper divisors (130087212).

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

79920852 is a wasteful number, since it uses less digits than its factorization.

79920852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19580 (or 19578 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 79920852 is about 8939.8463074037. The cubic root of 79920852 is about 430.7447917879.

The spelling of 79920852 in words is "seventy-nine million, nine hundred twenty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 341 372 682 1023 1364 2046 4092 19531 39062 58593 78124 117186 214841 234372 429682 605461 644523 859364 1210922 1289046 1816383 2421844 2578092 3632766 6660071 7265532 13320142 19980213 26640284 39960426 79920852