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61300053 = 326811117
BaseRepresentation
bin1110100111010…
…1110101010101
311021100100212100
43221311311111
5111143100203
610025512313
71343020233
oct351656525
9137310770
1061300053
1131669701
1218642699
13c913929
1481d9953
1555acea3
hex3a75d55

61300053 has 6 divisors (see below), whose sum is σ = 88544534. Its totient is φ = 40866696.

The previous prime is 61300033. The next prime is 61300067. The reversal of 61300053 is 35000316.

61300053 is a `hidden beast` number, since 613 + 0 + 0 + 0 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61121124 + 178929 = 7818^2 + 423^2 .

It is not a de Polignac number, because 61300053 - 29 = 61299541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61299999 and 61300035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61300013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3405550 + ... + 3405567.

Almost surely, 261300053 is an apocalyptic number.

It is an amenable number.

61300053 is a deficient number, since it is larger than the sum of its proper divisors (27244481).

61300053 is a wasteful number, since it uses less digits than its factorization.

61300053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811123 (or 6811120 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 61300053 is about 7829.4350370892. The cubic root of 61300053 is about 394.2941043201.

Adding to 61300053 its reverse (35000316), we get a palindrome (96300369).

The spelling of 61300053 in words is "sixty-one million, three hundred thousand, fifty-three".

Divisors: 1 3 9 6811117 20433351 61300053