Search a number
-
+
53642884 = 2213410721
BaseRepresentation
bin1100110010100…
…0011010000100
310201221100012111
43030220122010
5102213033014
65153430404
71220646151
oct314503204
9121840174
1053642884
1128309769
1215b6b404
13b162569
1471a5228
154a992c4
hex3328684

53642884 has 6 divisors (see below), whose sum is σ = 93875054. Its totient is φ = 26821440.

The previous prime is 53642867. The next prime is 53642917. The reversal of 53642884 is 48824635.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 17040384 = 6050^2 + 4128^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6705357 + ... + 6705364.

Almost surely, 253642884 is an apocalyptic number.

It is an amenable number.

53642884 is a deficient number, since it is larger than the sum of its proper divisors (40232170).

53642884 is a wasteful number, since it uses less digits than its factorization.

53642884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410725 (or 13410723 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 53642884 is about 7324.1302555321. The cubic root of 53642884 is about 377.1412529721.

The spelling of 53642884 in words is "fifty-three million, six hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 13410721 26821442 53642884