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79029412 = 22711256589
BaseRepresentation
bin1001011010111…
…10010010100100
312111201002222021
410231132102210
5130212420122
611501512524
71646511310
oct455362244
9174632867
1079029412
1140678a70
1222572744
13134b0687
14a6d2b40
156e111c7
hex4b5e4a4

79029412 has 24 divisors (see below), whose sum is σ = 172428480. Its totient is φ = 30790560.

The previous prime is 79029407. The next prime is 79029421. The reversal of 79029412 is 21492097.

It is a happy number.

It is a super-2 number, since 2×790294122 = 12491295922131488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127987 + ... + 128602.

It is an arithmetic number, because the mean of its divisors is an integer number (7184520).

Almost surely, 279029412 is an apocalyptic number.

It is an amenable number.

79029412 is an abundant number, since it is smaller than the sum of its proper divisors (93399068).

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

79029412 is a wasteful number, since it uses less digits than its factorization.

79029412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256611 (or 256609 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 79029412 is about 8889.8488176121. The cubic root of 79029412 is about 429.1372859685.

The spelling of 79029412 in words is "seventy-nine million, twenty-nine thousand, four hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 256589 513178 1026356 1796123 2822479 3592246 5644958 7184492 11289916 19757353 39514706 79029412