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54942740 = 22597127223
BaseRepresentation
bin1101000110010…
…1110000010100
310211101101021022
43101211300110
5103031131430
65241340312
71235001626
oct321456024
9124341238
1054942740
1129017326
1216497698
13b4c90c8
147422c16
154c544e5
hex3465c14

54942740 has 48 divisors (see below), whose sum is σ = 118013952. Its totient is φ = 21482496.

The previous prime is 54942739. The next prime is 54942773. The reversal of 54942740 is 4724945.

It is a self number, because there is not a number n which added to its sum of digits gives 54942740.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 246269 + ... + 246491.

It is an arithmetic number, because the mean of its divisors is an integer number (2458624).

Almost surely, 254942740 is an apocalyptic number.

It is an amenable number.

54942740 is an abundant number, since it is smaller than the sum of its proper divisors (63071212).

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

54942740 is a wasteful number, since it uses less digits than its factorization.

54942740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 54942740 is about 7412.3370133852. The cubic root of 54942740 is about 380.1632262762.

The spelling of 54942740 in words is "fifty-four million, nine hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 97 127 194 223 254 388 446 485 508 635 892 970 1115 1270 1940 2230 2540 4460 12319 21631 24638 28321 43262 49276 56642 61595 86524 108155 113284 123190 141605 216310 246380 283210 432620 566420 2747137 5494274 10988548 13735685 27471370 54942740