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54836645 = 517645137
BaseRepresentation
bin1101000100101…
…1110110100101
310211011222201212
43101023312211
5103014233040
65235201205
71234050413
oct321136645
9124158655
1054836645
1128a54646
1216446205
13b48ca26
1473d62b3
154c32d65
hex344bda5

54836645 has 8 divisors (see below), whose sum is σ = 69674904. Its totient is φ = 41288704.

The previous prime is 54836633. The next prime is 54836657. The reversal of 54836645 is 54663845.

It is an interprime number because it is at equal distance from previous prime (54836633) and next prime (54836657).

It can be written as a sum of positive squares in 4 ways, for example, as 2505889 + 52330756 = 1583^2 + 7234^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54836645 - 26 = 54836581 is a prime.

It is a Duffinian number.

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, 322484 + ... + 322653.

It is an arithmetic number, because the mean of its divisors is an integer number (8709363).

Almost surely, 254836645 is an apocalyptic number.

It is an amenable number.

54836645 is a deficient number, since it is larger than the sum of its proper divisors (14838259).

54836645 is a wasteful number, since it uses less digits than its factorization.

54836645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645159.

The product of its digits is 345600, while the sum is 41.

The square root of 54836645 is about 7405.1769053818. The cubic root of 54836645 is about 379.9183688920.

The spelling of 54836645 in words is "fifty-four million, eight hundred thirty-six thousand, six hundred forty-five".

Divisors: 1 5 17 85 645137 3225685 10967329 54836645