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79944470 = 257994447
BaseRepresentation
bin1001100001111…
…01101100010110
312120102121012022
410300331230112
5130431210340
611533253142
71660342154
oct460755426
9176377168
1079944470
1141143511
12229341b2
1313741028
14a8903d4
1570423b5
hex4c3db16

79944470 has 8 divisors (see below), whose sum is σ = 143900064. Its totient is φ = 31977784.

The previous prime is 79944463. The next prime is 79944479. The reversal of 79944470 is 7444997.

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

It is a super-2 number, since 2×799444702 = 12782236567161800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79944479) 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, 3997214 + ... + 3997233.

It is an arithmetic number, because the mean of its divisors is an integer number (17987508).

Almost surely, 279944470 is an apocalyptic number.

79944470 is a deficient number, since it is larger than the sum of its proper divisors (63955594).

79944470 is a wasteful number, since it uses less digits than its factorization.

79944470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994454.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 79944470 is about 8941.1671497629. The cubic root of 79944470 is about 430.7872184649.

The spelling of 79944470 in words is "seventy-nine million, nine hundred forty-four thousand, four hundred seventy".

Divisors: 1 2 5 10 7994447 15988894 39972235 79944470