Search a number
-
+
103390765 = 537558869
BaseRepresentation
bin1100010100110…
…01111000101101
321012112210110121
412022121320231
5202432001030
614132004541
72363543542
oct612317055
9235483417
10103390765
11533a8015
122a760751
131855cc8a
14da34bc9
15912447a
hex6299e2d

103390765 has 8 divisors (see below), whose sum is σ = 127422360. Its totient is φ = 80476992.

The previous prime is 103390759. The next prime is 103390813. The reversal of 103390765 is 567093301.

It can be written as a sum of positive squares in 4 ways, for example, as 59274601 + 44116164 = 7699^2 + 6642^2 .

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 103390765 - 25 = 103390733 is a prime.

It is a super-3 number, since 3×1033907653 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103390765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279250 + ... + 279619.

It is an arithmetic number, because the mean of its divisors is an integer number (15927795).

Almost surely, 2103390765 is an apocalyptic number.

It is an amenable number.

103390765 is a deficient number, since it is larger than the sum of its proper divisors (24031595).

103390765 is an equidigital number, since it uses as much as digits as its factorization.

103390765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558911.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 103390765 is about 10168.1249500584. The cubic root of 103390765 is about 469.3468594887.

The spelling of 103390765 in words is "one hundred three million, three hundred ninety thousand, seven hundred sixty-five".

Divisors: 1 5 37 185 558869 2794345 20678153 103390765