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79040473 = 373496121
BaseRepresentation
bin1001011011000…
…00111111011001
312111201200010221
410231200333121
5130213243343
611502040041
71646555461
oct455407731
9174650127
1079040473
1140686306
1222579021
13134b5715
14a6d6ba1
156e145ed
hex4b60fd9

79040473 has 8 divisors (see below), whose sum is σ = 81422600. Its totient is φ = 76671360.

The previous prime is 79040461. The next prime is 79040491. The reversal of 79040473 is 37404097.

It can be written as a sum of positive squares in 4 ways, for example, as 19642624 + 59397849 = 4432^2 + 7707^2 .

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 79040473 - 25 = 79040441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79040453) 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, 9853 + ... + 15973.

It is an arithmetic number, because the mean of its divisors is an integer number (10177825).

Almost surely, 279040473 is an apocalyptic number.

It is an amenable number.

79040473 is a deficient number, since it is larger than the sum of its proper divisors (2382127).

79040473 is a wasteful number, since it uses less digits than its factorization.

79040473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 79040473 is about 8890.4709099125. The cubic root of 79040473 is about 429.1573057981.

The spelling of 79040473 in words is "seventy-nine million, forty thousand, four hundred seventy-three".

Divisors: 1 37 349 6121 12913 226477 2136229 79040473