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54093905 = 528138501
BaseRepresentation
bin1100111001011…
…0100001010001
310202210020212222
43032112201101
5102322001110
65211230425
71224535115
oct316264121
9122706788
1054093905
1128597608
1216148415
13b28c938
147281745
154b37c55
hex3396851

54093905 has 8 divisors (see below), whose sum is σ = 65145384. Its totient is φ = 43120000.

The previous prime is 54093899. The next prime is 54093911. The reversal of 54093905 is 50939045.

It is an interprime number because it is at equal distance from previous prime (54093899) and next prime (54093911).

It can be written as a sum of positive squares in 4 ways, for example, as 14868736 + 39225169 = 3856^2 + 6263^2 .

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

It is not a de Polignac number, because 54093905 - 28 = 54093649 is a prime.

It is a Duffinian 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, 17846 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (8143173).

Almost surely, 254093905 is an apocalyptic number.

It is an amenable number.

54093905 is a deficient number, since it is larger than the sum of its proper divisors (11051479).

54093905 is a wasteful number, since it uses less digits than its factorization.

54093905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38787.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 54093905 is about 7354.8558789415. The cubic root of 54093905 is about 378.1952860260.

The spelling of 54093905 in words is "fifty-four million, ninety-three thousand, nine hundred five".

Divisors: 1 5 281 1405 38501 192505 10818781 54093905