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378906245 = 5475932719
BaseRepresentation
bin10110100101011…
…010011010000101
3222101222102122122
4112211122122011
51233444444440
6101333135325
712250435634
oct2645323205
9871872578
10378906245
11184978963
12a6a8a545
13606673a3
143847351b
15233e87b5
hex1695a685

378906245 has 16 divisors (see below), whose sum is σ = 465315840. Its totient is φ = 296066304.

The previous prime is 378906223. The next prime is 378906259. The reversal of 378906245 is 542609873.

It is a cyclic number.

It is not a de Polignac number, because 378906245 - 26 = 378906181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378906196 and 378906205.

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, 137996 + ... + 140714.

It is an arithmetic number, because the mean of its divisors is an integer number (29082240).

Almost surely, 2378906245 is an apocalyptic number.

It is an amenable number.

378906245 is a deficient number, since it is larger than the sum of its proper divisors (86409595).

378906245 is a wasteful number, since it uses less digits than its factorization.

378906245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 378906245 is about 19465.5142495645. The cubic root of 378906245 is about 723.6200433249.

The spelling of 378906245 in words is "three hundred seventy-eight million, nine hundred six thousand, two hundred forty-five".

Divisors: 1 5 47 235 593 2719 2965 13595 27871 127793 139355 638965 1612367 8061835 75781249 378906245