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1383090690 = 23567768099
BaseRepresentation
bin101001001110000…
…0100101000000010
310120101112021202010
41102130010220002
510313032400230
6345124233350
746163035242
oct12234045002
93511467663
101383090690
1164a79a563
1232723b856
1319070b077
14d198db22
15816549b0
hex52704a02

1383090690 has 32 divisors (see below), whose sum is σ = 3324369600. Its totient is φ = 368273984.

The previous prime is 1383090629. The next prime is 1383090719. The reversal of 1383090690 is 960903831.

It is a super-2 number, since 2×13830906902 = 3825879713529352200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13740 + ... + 54359.

It is an arithmetic number, because the mean of its divisors is an integer number (103886550).

Almost surely, 21383090690 is an apocalyptic number.

1383090690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1383090690 is an abundant number, since it is smaller than the sum of its proper divisors (1941278910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383090690 is a wasteful number, since it uses less digits than its factorization.

1383090690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68786.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1383090690 is about 37189.9272653228. The cubic root of 1383090690 is about 1114.1668157394.

The spelling of 1383090690 in words is "one billion, three hundred eighty-three million, ninety thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 677 1354 2031 3385 4062 6770 10155 20310 68099 136198 204297 340495 408594 680990 1021485 2042970 46103023 92206046 138309069 230515115 276618138 461030230 691545345 1383090690