Search a number
-
+
79428051 = 3213167369
BaseRepresentation
bin1001011101111…
…11100111010011
312112110100210200
410232333213103
5130313144201
611514230243
71653061443
oct456774723
9175410720
1079428051
114092051a
1222725383
13135bcc61
14a798123
156e8e386
hex4bbf9d3

79428051 has 12 divisors (see below), whose sum is σ = 115606920. Its totient is φ = 52547040.

The previous prime is 79428047. The next prime is 79428053. The reversal of 79428051 is 15082497.

It is not a de Polignac number, because 79428051 - 22 = 79428047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79427997 and 79428015.

It is not an unprimeable number, because it can be changed into a prime (79428053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32506 + ... + 34863.

It is an arithmetic number, because the mean of its divisors is an integer number (9633910).

Almost surely, 279428051 is an apocalyptic number.

79428051 is a deficient number, since it is larger than the sum of its proper divisors (36178869).

79428051 is a wasteful number, since it uses less digits than its factorization.

79428051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67506 (or 67503 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 79428051 is about 8912.2416372089. The cubic root of 79428051 is about 429.8576254803.

The spelling of 79428051 in words is "seventy-nine million, four hundred twenty-eight thousand, fifty-one".

Divisors: 1 3 9 131 393 1179 67369 202107 606321 8825339 26476017 79428051