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54869902 = 227434951
BaseRepresentation
bin1101000101001…
…1111110001110
310211020200100121
43101103332032
5103021314102
65240015154
71234246363
oct321237616
9124220317
1054869902
1128a7762a
12164614ba
13b4a1bc9
14740446a
154c3cb37
hex3453f8e

54869902 has 4 divisors (see below), whose sum is σ = 82304856. Its totient is φ = 27434950.

The previous prime is 54869887. The next prime is 54869909. The reversal of 54869902 is 20996845.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×548699022 = 6021412290979208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54869909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13717474 + ... + 13717477.

It is an arithmetic number, because the mean of its divisors is an integer number (20576214).

Almost surely, 254869902 is an apocalyptic number.

54869902 is a deficient number, since it is larger than the sum of its proper divisors (27434954).

54869902 is a wasteful number, since it uses less digits than its factorization.

54869902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27434953.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 54869902 is about 7407.4220886892. The cubic root of 54869902 is about 379.9951569097.

The spelling of 54869902 in words is "fifty-four million, eight hundred sixty-nine thousand, nine hundred two".

Divisors: 1 2 27434951 54869902