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378737484 = 22331561457
BaseRepresentation
bin10110100100110…
…001001101001100
3222101122212011020
4112210301031030
51233424044414
6101325354140
712246133626
oct2644611514
9871585136
10378737484
11184873094
12a6a08950
1360608628
143842bc16
15233b37a9
hex1693134c

378737484 has 12 divisors (see below), whose sum is σ = 883720824. Its totient is φ = 126245824.

The previous prime is 378737483. The next prime is 378737497. The reversal of 378737484 is 484737873.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (378737483) 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 3 ways as a sum of consecutive naturals, for example, 15780717 + ... + 15780740.

It is an arithmetic number, because the mean of its divisors is an integer number (73643402).

Almost surely, 2378737484 is an apocalyptic number.

It is an amenable number.

378737484 is an abundant number, since it is smaller than the sum of its proper divisors (504983340).

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

378737484 is a wasteful number, since it uses less digits than its factorization.

378737484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31561464 (or 31561462 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The square root of 378737484 is about 19461.1788954318. The cubic root of 378737484 is about 723.5125963611.

The spelling of 378737484 in words is "three hundred seventy-eight million, seven hundred thirty-seven thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 31561457 63122914 94684371 126245828 189368742 378737484