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80646334 = 2172778563
BaseRepresentation
bin1001100111010…
…01000010111110
312121202020222021
410303221002332
5131121140314
612000310354
71666324336
oct463510276
9177666867
1080646334
114158286a
12230123ba
1313928632
14a9d40c6
157130324
hex4ce90be

80646334 has 16 divisors (see below), whose sum is σ = 128562768. Its totient is φ = 37809792.

The previous prime is 80646323. The next prime is 80646367. The reversal of 80646334 is 43364608.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 80646334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137 + ... + 13699.

It is an arithmetic number, because the mean of its divisors is an integer number (8035173).

Almost surely, 280646334 is an apocalyptic number.

80646334 is a deficient number, since it is larger than the sum of its proper divisors (47916434).

80646334 is a wasteful number, since it uses less digits than its factorization.

80646334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 80646334 is about 8980.3303948129. The cubic root of 80646334 is about 432.0442305822.

The spelling of 80646334 in words is "eighty million, six hundred forty-six thousand, three hundred thirty-four".

Divisors: 1 2 17 34 277 554 4709 8563 9418 17126 145571 291142 2371951 4743902 40323167 80646334