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61315067 = 119535849
BaseRepresentation
bin1110100111100…
…1011111111011
311021101010110102
43221321133323
5111144040232
610030110015
71343112062
oct351713773
9137333412
1061315067
1131679a10
121864b30b
13c91a708
1482011d9
1555b2662
hex3a797fb

61315067 has 8 divisors (see below), whose sum is σ = 66970800. Its totient is φ = 55672960.

The previous prime is 61315013. The next prime is 61315069. The reversal of 61315067 is 76051316.

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 61315067 - 26 = 61315003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61315069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (8371350).

Almost surely, 261315067 is an apocalyptic number.

61315067 is a deficient number, since it is larger than the sum of its proper divisors (5655733).

61315067 is a wasteful number, since it uses less digits than its factorization.

61315067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 61315067 is about 7830.3937959722. The cubic root of 61315067 is about 394.3262927013.

The spelling of 61315067 in words is "sixty-one million, three hundred fifteen thousand, sixty-seven".

Divisors: 1 11 953 5849 10483 64339 5574097 61315067