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8090380 = 2253113049
BaseRepresentation
bin11110110111001100001100
3120020000220201
4132313030030
54032343010
6445223244
7125524054
oct36671414
916200821
108090380
114626471
122861b24
1318a360c
141108564
15a9c23a
hex7b730c

8090380 has 24 divisors (see below), whose sum is σ = 17539200. Its totient is φ = 3131520.

The previous prime is 8090363. The next prime is 8090387. The reversal of 8090380 is 830908.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8090387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5905 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (730800).

Almost surely, 28090380 is an apocalyptic number.

It is an amenable number.

8090380 is an abundant number, since it is smaller than the sum of its proper divisors (9448820).

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

8090380 is a wasteful number, since it uses less digits than its factorization.

8090380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089 (or 13087 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8090380 is about 2844.3593303238. The cubic root of 8090380 is about 200.7503480353.

The spelling of 8090380 in words is "eight million, ninety thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 13049 26098 52196 65245 130490 260980 404519 809038 1618076 2022595 4045190 8090380