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378610764 = 223719012371
BaseRepresentation
bin10110100100010…
…010010001001100
3222101102102022220
4112210102101030
51233411021024
6101322535340
712245065320
oct2644222114
9871372286
10378610764
11184796964
12a6967550
1360592a4c
14383d7980
152338ae79
hex1691244c

378610764 has 48 divisors (see below), whose sum is σ = 1010585856. Its totient is φ = 108072000.

The previous prime is 378610753. The next prime is 378610783. The reversal of 378610764 is 467016873.

It is a super-2 number, since 2×3786107642 = 286692221233327392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 158499 + ... + 160869.

It is an arithmetic number, because the mean of its divisors is an integer number (21053872).

Almost surely, 2378610764 is an apocalyptic number.

It is an amenable number.

378610764 is an abundant number, since it is smaller than the sum of its proper divisors (631975092).

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

378610764 is a wasteful number, since it uses less digits than its factorization.

378610764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 378610764 is about 19457.9229107323. The cubic root of 378610764 is about 723.4318951302.

The spelling of 378610764 in words is "three hundred seventy-eight million, six hundred ten thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1901 2371 3802 4742 5703 7113 7604 9484 11406 13307 14226 16597 22812 26614 28452 33194 39921 49791 53228 66388 79842 99582 159684 199164 4507271 9014542 13521813 18029084 27043626 31550897 54087252 63101794 94652691 126203588 189305382 378610764