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103378690 = 2510337869
BaseRepresentation
bin1100010100101…
…10111100000010
321012112011220101
412022112330002
5202431104230
614131433014
72363463412
oct612267402
9235464811
10103378690
1153399a38
122a75576a
131855762c
14da30642
159120aca
hex6296f02

103378690 has 8 divisors (see below), whose sum is σ = 186081660. Its totient is φ = 41351472.

The previous prime is 103378687. The next prime is 103378697. The reversal of 103378690 is 96873301.

It can be written as a sum of positive squares in 2 ways, for example, as 83119689 + 20259001 = 9117^2 + 4501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1033786902 = 21374307092232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103378697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5168925 + ... + 5168944.

Almost surely, 2103378690 is an apocalyptic number.

103378690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103378690 is a deficient number, since it is larger than the sum of its proper divisors (82702970).

103378690 is a wasteful number, since it uses less digits than its factorization.

103378690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337876.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 103378690 is about 10167.5311654305. The cubic root of 103378690 is about 469.3285871154.

It can be divided in two parts, 10 and 3378690, that added together give a triangular number (3378700 = T2599).

The spelling of 103378690 in words is "one hundred three million, three hundred seventy-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 10337869 20675738 51689345 103378690