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79228968 = 23371336277
BaseRepresentation
bin1001011100011…
…11000000101000
312112002020201020
410232033000220
5130240311333
611510052440
71651302150
oct456170050
9175066636
1079228968
11407a4995
122264a120
1313550460
14a745760
156e503b3
hex4b8f028

79228968 has 64 divisors (see below), whose sum is σ = 243788160. Its totient is φ = 20894976.

The previous prime is 79228967. The next prime is 79228969. The reversal of 79228968 is 86982297.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79228967) and next prime (79228969).

It is a self number, because there is not a number n which added to its sum of digits gives 79228968.

It is not an unprimeable number, because it can be changed into a prime (79228967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15955 + ... + 20322.

It is an arithmetic number, because the mean of its divisors is an integer number (3809190).

Almost surely, 279228968 is an apocalyptic number.

79228968 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

79228968 is an abundant number, since it is smaller than the sum of its proper divisors (164559192).

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

79228968 is a wasteful number, since it uses less digits than its factorization.

79228968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36306 (or 36302 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 79228968 is about 8901.0655541907. The cubic root of 79228968 is about 429.4981851107.

The spelling of 79228968 in words is "seventy-nine million, two hundred twenty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 36277 72554 108831 145108 217662 253939 290216 435324 471601 507878 761817 870648 943202 1015756 1414803 1523634 1886404 2031512 2829606 3047268 3301207 3772808 5659212 6094536 6602414 9903621 11318424 13204828 19807242 26409656 39614484 79228968