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54739057 = 1923125261
BaseRepresentation
bin1101000011010…
…0000001110001
310211000000212111
43100310001301
5103003122212
65233125321
71233163042
oct320640161
9124000774
1054739057
112899829a
12163b9841
13b457499
1473ac8c9
154c13ea7
hex3434071

54739057 has 8 divisors (see below), whose sum is σ = 60125760. Its totient is φ = 49602960.

The previous prime is 54739033. The next prime is 54739063. The reversal of 54739057 is 75093745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54739057 is a prime.

It is a super-2 number, since 2×547390572 = 5992728722498498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54739757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62194 + ... + 63067.

It is an arithmetic number, because the mean of its divisors is an integer number (7515720).

Almost surely, 254739057 is an apocalyptic number.

It is an amenable number.

54739057 is a deficient number, since it is larger than the sum of its proper divisors (5386703).

54739057 is a wasteful number, since it uses less digits than its factorization.

54739057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125303.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 54739057 is about 7398.5847971082. The cubic root of 54739057 is about 379.6928658615.

The spelling of 54739057 in words is "fifty-four million, seven hundred thirty-nine thousand, fifty-seven".

Divisors: 1 19 23 437 125261 2379959 2881003 54739057