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3813690 = 235127123
BaseRepresentation
bin1110100011000100111010
321011202101210
432203010322
51434014230
6213423550
744262426
oct16430472
97152353
103813690
112175311
12133abb6
13a36b2a
14713b86
15504eb0
hex3a313a

3813690 has 16 divisors (see below), whose sum is σ = 9152928. Its totient is φ = 1016976.

The previous prime is 3813679. The next prime is 3813751. The reversal of 3813690 is 963183.

3813690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38136902 = 29088462832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 127123 = 3813690 / (3 + 8 + 1 + 3 + 6 + 9 + 0).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63532 + ... + 63591.

It is an arithmetic number, because the mean of its divisors is an integer number (572058).

Almost surely, 23813690 is an apocalyptic number.

3813690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3813690 is an abundant number, since it is smaller than the sum of its proper divisors (5339238).

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

3813690 is a wasteful number, since it uses less digits than its factorization.

3813690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127133.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3813690 is about 1952.8671229759. The cubic root of 3813690 is about 156.2362462560.

It can be divided in two parts, 38136 and 90, that added together give a triangular number (38226 = T276).

The spelling of 3813690 in words is "three million, eight hundred thirteen thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 127123 254246 381369 635615 762738 1271230 1906845 3813690