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79452971 = 1323265729
BaseRepresentation
bin1001011110001…
…01101100101011
312112111121222122
410233011230223
5130314443341
611514541455
71653224213
oct457055453
9175447878
1079452971
1140938214
122273788b
13135cb3c0
14a7a3243
156e9694b
hex4bc5b2b

79452971 has 8 divisors (see below), whose sum is σ = 89285280. Its totient is φ = 70152192.

The previous prime is 79452943. The next prime is 79452973. The reversal of 79452971 is 17925497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79452971 - 210 = 79451947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79452973) 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, 132566 + ... + 133163.

It is an arithmetic number, because the mean of its divisors is an integer number (11160660).

Almost surely, 279452971 is an apocalyptic number.

79452971 is a deficient number, since it is larger than the sum of its proper divisors (9832309).

79452971 is a wasteful number, since it uses less digits than its factorization.

79452971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265765.

The product of its digits is 158760, while the sum is 44.

The square root of 79452971 is about 8913.6396045611. The cubic root of 79452971 is about 429.9025757291.

The spelling of 79452971 in words is "seventy-nine million, four hundred fifty-two thousand, nine hundred seventy-one".

Divisors: 1 13 23 299 265729 3454477 6111767 79452971