Search a number
-
+
61204404 = 2235100367
BaseRepresentation
bin1110100101111…
…0011110110100
311021011111122210
43221132132310
5111132020104
610023453420
71342141332
oct351363664
9137144583
1061204404
1131603858
12185b7270
13c8ac231
1481b2b52
15558e989
hex3a5e7b4

61204404 has 12 divisors (see below), whose sum is σ = 142810304. Its totient is φ = 20401464.

The previous prime is 61204399. The next prime is 61204427. The reversal of 61204404 is 40440216.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550172 + ... + 2550195.

Almost surely, 261204404 is an apocalyptic number.

It is an amenable number.

61204404 is an abundant number, since it is smaller than the sum of its proper divisors (81605900).

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

61204404 is a wasteful number, since it uses less digits than its factorization.

61204404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100374 (or 5100372 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 61204404 is about 7823.3243573305. The cubic root of 61204404 is about 394.0889197814.

The spelling of 61204404 in words is "sixty-one million, two hundred four thousand, four hundred four".

Divisors: 1 2 3 4 6 12 5100367 10200734 15301101 20401468 30602202 61204404