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378987968 = 267381119
BaseRepresentation
bin10110100101101…
…110010111000000
3222102010120202102
4112211232113000
51234010103333
6101335005532
712251226122
oct2645562700
9872116672
10378987968
11184a242a7
12a6b098a8
1360695648
1438495212
1523412ae8
hex1696e5c0

378987968 has 28 divisors (see below), whose sum is σ = 762365760. Its totient is φ = 186895872.

The previous prime is 378987967. The next prime is 378987977. The reversal of 378987968 is 869789873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378987967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35888 + ... + 45231.

Almost surely, 2378987968 is an apocalyptic number.

It is an amenable number.

378987968 is an abundant number, since it is smaller than the sum of its proper divisors (383377792).

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

378987968 is an equidigital number, since it uses as much as digits as its factorization.

378987968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81204 (or 81194 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 65.

The square root of 378987968 is about 19467.6133103162. The cubic root of 378987968 is about 723.6720633611.

The spelling of 378987968 in words is "three hundred seventy-eight million, nine hundred eighty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 73 146 292 584 1168 2336 4672 81119 162238 324476 648952 1297904 2595808 5191616 5921687 11843374 23686748 47373496 94746992 189493984 378987968