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79230064 = 2417291287
BaseRepresentation
bin1001011100011…
…11010001110000
312112002022012211
410232033101300
5130240330224
611510101504
71651305304
oct456172160
9175068184
1079230064
11407a57a1
122264a894
1313550ac4
14a745d04
156e50894
hex4b8f470

79230064 has 20 divisors (see below), whose sum is σ = 162538704. Its totient is φ = 37284608.

The previous prime is 79230043. The next prime is 79230077. The reversal of 79230064 is 46003297.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 145372 + ... + 145915.

Almost surely, 279230064 is an apocalyptic number.

It is an amenable number.

79230064 is an abundant number, since it is smaller than the sum of its proper divisors (83308640).

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

79230064 is a wasteful number, since it uses less digits than its factorization.

79230064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291312 (or 291306 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 79230064 is about 8901.1271196405. The cubic root of 79230064 is about 429.5001655641.

The spelling of 79230064 in words is "seventy-nine million, two hundred thirty thousand, sixty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 291287 582574 1165148 2330296 4660592 4951879 9903758 19807516 39615032 79230064