Search a number
-
+
79729068 = 22313748497
BaseRepresentation
bin1001100000010…
…01000110101100
312120000122201110
410300021012230
5130402312233
611524512020
71655454156
oct460110654
9176018643
1079729068
11410066a1
122284b610
1313696c83
14a835ad6
156eed663
hex4c091ac

79729068 has 24 divisors (see below), whose sum is σ = 187396272. Its totient is φ = 26381824.

The previous prime is 79729049. The next prime is 79729081. The reversal of 79729068 is 86092797.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 22605 + ... + 25892.

It is an arithmetic number, because the mean of its divisors is an integer number (7808178).

Almost surely, 279729068 is an apocalyptic number.

It is an amenable number.

79729068 is an abundant number, since it is smaller than the sum of its proper divisors (107667204).

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

79729068 is a wasteful number, since it uses less digits than its factorization.

79729068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48641 (or 48639 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 79729068 is about 8929.1135058302. The cubic root of 79729068 is about 430.3999667754.

The spelling of 79729068 in words is "seventy-nine million, seven hundred twenty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 48497 96994 145491 193988 290982 581964 6644089 13288178 19932267 26576356 39864534 79729068