Search a number
-
+
53540508 = 2237976571
BaseRepresentation
bin1100110000111…
…1011010011100
310201202010202210
43030033122130
5102201244013
65151320420
71220041530
oct314173234
9121663683
1053540508
112824985a
1215b20110
13b127a98
147179bc0
154a78cc3
hex330f69c

53540508 has 48 divisors (see below), whose sum is σ = 144268544. Its totient is φ = 15137280.

The previous prime is 53540507. The next prime is 53540521. The reversal of 53540508 is 80504535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53540507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4863 + ... + 11433.

Almost surely, 253540508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53540508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72134272).

53540508 is an abundant number, since it is smaller than the sum of its proper divisors (90728036).

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

53540508 is a wasteful number, since it uses less digits than its factorization.

53540508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682 (or 6680 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 53540508 is about 7317.1379650790. The cubic root of 53540508 is about 376.9011788728.

The spelling of 53540508 in words is "fifty-three million, five hundred forty thousand, five hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 97 194 291 388 582 679 1164 1358 2037 2716 4074 6571 8148 13142 19713 26284 39426 45997 78852 91994 137991 183988 275982 551964 637387 1274774 1912161 2549548 3824322 4461709 7648644 8923418 13385127 17846836 26770254 53540508