Search a number
-
+
79070984 = 23139211337
BaseRepresentation
bin1001011011010…
…00011100001000
312111210012222222
410231220130020
5130220232414
611502433212
71650043436
oct455503410
9174705888
1079070984
11406a7223
1222592808
13134c6585
14a703d56
156e1d68e
hex4b68708

79070984 has 32 divisors (see below), whose sum is σ = 150477600. Its totient is φ = 38949120.

The previous prime is 79070983. The next prime is 79071007. The reversal of 79070984 is 48907097.

It is not an unprimeable number, because it can be changed into a prime (79070983) 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 7 ways as a sum of consecutive naturals, for example, 234464 + ... + 234800.

It is an arithmetic number, because the mean of its divisors is an integer number (4702425).

Almost surely, 279070984 is an apocalyptic number.

It is an amenable number.

79070984 is a deficient number, since it is larger than the sum of its proper divisors (71406616).

79070984 is a wasteful number, since it uses less digits than its factorization.

79070984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 79070984 is about 8892.1866827007. The cubic root of 79070984 is about 429.2125194272.

The spelling of 79070984 in words is "seventy-nine million, seventy thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 139 211 278 337 422 556 674 844 1112 1348 1688 2696 29329 46843 58658 71107 93686 117316 142214 187372 234632 284428 374744 568856 9883873 19767746 39535492 79070984