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107668261 = 375095717
BaseRepresentation
bin1100110101011…
…10001100100101
321111121010002101
412122232030211
5210030341021
614403412101
72445110431
oct632561445
9244533071
10107668261
1155859838
1230084031
13193c9c3c
14104299c1
1596bba91
hex66ae325

107668261 has 8 divisors (see below), whose sum is σ = 110814840. Its totient is φ = 104534208.

The previous prime is 107668247. The next prime is 107668273. The reversal of 107668261 is 162866701.

It can be written as a sum of positive squares in 4 ways, for example, as 58752225 + 48916036 = 7665^2 + 6994^2 .

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 107668261 - 25 = 107668229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107668261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107668291) 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, 15975 + ... + 21691.

It is an arithmetic number, because the mean of its divisors is an integer number (13851855).

Almost surely, 2107668261 is an apocalyptic number.

It is an amenable number.

107668261 is a deficient number, since it is larger than the sum of its proper divisors (3146579).

107668261 is an equidigital number, since it uses as much as digits as its factorization.

107668261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 107668261 is about 10376.3317699464. The cubic root of 107668261 is about 475.7322202750.

The spelling of 107668261 in words is "one hundred seven million, six hundred sixty-eight thousand, two hundred sixty-one".

Divisors: 1 37 509 5717 18833 211529 2909953 107668261