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70655 = 5131087
BaseRepresentation
bin10001001111111111
310120220212
4101033333
54230110
61303035
7412664
oct211777
9116825
1070655
11490a2
1234a7b
1326210
141ba6b
1515e05
hex113ff

70655 has 8 divisors (see below), whose sum is σ = 91392. Its totient is φ = 52128.

The previous prime is 70639. The next prime is 70657. The reversal of 70655 is 55607.

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 70655 - 24 = 70639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 70655.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70655.

It is not an unprimeable number, because it can be changed into a prime (70657) 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, 479 + ... + 608.

It is an arithmetic number, because the mean of its divisors is an integer number (11424).

270655 is an apocalyptic number.

70655 is a deficient number, since it is larger than the sum of its proper divisors (20737).

70655 is a wasteful number, since it uses less digits than its factorization.

70655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 70655 is about 265.8100825778. The cubic root of 70655 is about 41.3409989829.

The spelling of 70655 in words is "seventy thousand, six hundred fifty-five".

Divisors: 1 5 13 65 1087 5435 14131 70655