Search a number
-
+
107159345 = 5137156437
BaseRepresentation
bin1100110001100…
…01111100110001
321110122020222122
412120301330301
5204413044340
614344444025
72440560626
oct630617461
9243566878
10107159345
1155541447
122ba79615
131927c3c7
141033634d
15961adb5
hex6631f31

107159345 has 8 divisors (see below), whose sum is σ = 129530664. Its totient is φ = 85101184.

The previous prime is 107159341. The next prime is 107159387. The reversal of 107159345 is 543951701.

It can be written as a sum of positive squares in 4 ways, for example, as 10942864 + 96216481 = 3308^2 + 9809^2 .

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 107159345 - 22 = 107159341 is a prime.

It is a super-2 number, since 2×1071593452 = 22966250441658050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107159341) 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, 77534 + ... + 78903.

It is an arithmetic number, because the mean of its divisors is an integer number (16191333).

Almost surely, 2107159345 is an apocalyptic number.

It is an amenable number.

107159345 is a deficient number, since it is larger than the sum of its proper divisors (22371319).

107159345 is a wasteful number, since it uses less digits than its factorization.

107159345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156579.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 107159345 is about 10351.7797986626. The cubic root of 107159345 is about 474.9814877365.

The spelling of 107159345 in words is "one hundred seven million, one hundred fifty-nine thousand, three hundred forty-five".

Divisors: 1 5 137 685 156437 782185 21431869 107159345