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54747894 = 2320634423
BaseRepresentation
bin1101000011011…
…0001011110110
310211000110222210
43100312023312
5103003413034
65233234250
71233230565
oct320661366
9124013883
1054747894
11289a39a3
1216402986
13b45b506
1473b1bdc
154c168e9
hex34362f6

54747894 has 16 divisors (see below), whose sum is σ = 109573632. Its totient is φ = 18236328.

The previous prime is 54747881. The next prime is 54747907. The reversal of 54747894 is 49874745.

It is an interprime number because it is at equal distance from previous prime (54747881) and next prime (54747907).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10167 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (6848352).

Almost surely, 254747894 is an apocalyptic number.

54747894 is an abundant number, since it is smaller than the sum of its proper divisors (54825738).

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

54747894 is a wasteful number, since it uses less digits than its factorization.

54747894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491.

The product of its digits is 1128960, while the sum is 48.

The square root of 54747894 is about 7399.1819818139. The cubic root of 54747894 is about 379.7132971312.

The spelling of 54747894 in words is "fifty-four million, seven hundred forty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 2063 4126 4423 6189 8846 12378 13269 26538 9124649 18249298 27373947 54747894