Search a number
-
+
53279494 = 243896961
BaseRepresentation
bin1100101100111…
…1101100000110
310201020212201121
43023033230012
5102114420434
65141544154
71214603542
oct313175406
9121225647
1053279494
1128090744
1215a1505a
13b066038
14710ca22
154a267b4
hex32cfb06

53279494 has 16 divisors (see below), whose sum is σ = 82708560. Its totient is φ = 25724160.

The previous prime is 53279489. The next prime is 53279497. The reversal of 53279494 is 49497235.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 53279494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53279497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (5169285).

Almost surely, 253279494 is an apocalyptic number.

53279494 is a deficient number, since it is larger than the sum of its proper divisors (29429066).

53279494 is a wasteful number, since it uses less digits than its factorization.

53279494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095.

The product of its digits is 272160, while the sum is 43.

The square root of 53279494 is about 7299.2803754891. The cubic root of 53279494 is about 376.2877070262.

The spelling of 53279494 in words is "fifty-three million, two hundred seventy-nine thousand, four hundred ninety-four".

Divisors: 1 2 43 86 89 178 3827 6961 7654 13922 299323 598646 619529 1239058 26639747 53279494