Search a number
-
+
53913984 = 273140401
BaseRepresentation
bin1100110110101…
…0100110000000
310202110010002020
43031222212000
5102300221414
65203321440
71223155425
oct315524600
9122403066
1053913984
1128484413
1216080280
13b228a87
147235d4c
154aee7a9
hex336a980

53913984 has 32 divisors (see below), whose sum is σ = 143210040. Its totient is φ = 17971200.

The previous prime is 53913943. The next prime is 53913989. The reversal of 53913984 is 48931935.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53913989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69817 + ... + 70584.

Almost surely, 253913984 is an apocalyptic number.

It is an amenable number.

53913984 is an abundant number, since it is smaller than the sum of its proper divisors (89296056).

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

53913984 is a wasteful number, since it uses less digits than its factorization.

53913984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140418 (or 140406 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 53913984 is about 7342.6142483451. The cubic root of 53913984 is about 377.7755168902.

The spelling of 53913984 in words is "fifty-three million, nine hundred thirteen thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 140401 280802 421203 561604 842406 1123208 1684812 2246416 3369624 4492832 6739248 8985664 13478496 17971328 26956992 53913984