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378897372 = 22337501187
BaseRepresentation
bin10110100101011…
…000001111011100
3222101221222111000
4112211120033130
51233444203442
6101333030300
712250401030
oct2645301734
9871858430
10378897372
11184972227
12a6a85390
1360663339
14384701c0
15233e5d4c
hex169583dc

378897372 has 48 divisors (see below), whose sum is σ = 1122661120. Its totient is φ = 108256176.

The previous prime is 378897367. The next prime is 378897391. The reversal of 378897372 is 273798873.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249838 + ... + 251349.

Almost surely, 2378897372 is an apocalyptic number.

It is an amenable number.

378897372 is an abundant number, since it is smaller than the sum of its proper divisors (743763748).

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

378897372 is a wasteful number, since it uses less digits than its factorization.

378897372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501207 (or 501199 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 378897372 is about 19465.2863323405. The cubic root of 378897372 is about 723.6143948469.

The spelling of 378897372 in words is "three hundred seventy-eight million, eight hundred ninety-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 501187 1002374 1503561 2004748 3007122 3508309 4510683 6014244 7016618 9021366 10524927 13532049 14033236 18042732 21049854 27064098 31574781 42099708 54128196 63149562 94724343 126299124 189448686 378897372