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379639746 = 23241514417
BaseRepresentation
bin10110101000001…
…101011111000010
3222110100200211100
4112220031133002
51234141432441
6101400555230
712256612263
oct2650153702
9873320740
10379639746
11185329a62
12a7182b16
1360863205
14385c496a
15234e0cb6
hex16a0d7c2

379639746 has 24 divisors (see below), whose sum is σ = 842616684. Its totient is φ = 123459840.

The previous prime is 379639739. The next prime is 379639747. The reversal of 379639746 is 647936973.

It can be written as a sum of positive squares in 2 ways, for example, as 298909521 + 80730225 = 17289^2 + 8985^2 .

It is a junction number, because it is equal to n+sod(n) for n = 379639692 and 379639701.

It is not an unprimeable number, because it can be changed into a prime (379639747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256471 + ... + 257946.

Almost surely, 2379639746 is an apocalyptic number.

379639746 is an abundant number, since it is smaller than the sum of its proper divisors (462976938).

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

379639746 is a wasteful number, since it uses less digits than its factorization.

379639746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514466 (or 514463 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 379639746 is about 19484.3461784069. The cubic root of 379639746 is about 724.0866793345.

The spelling of 379639746 in words is "three hundred seventy-nine million, six hundred thirty-nine thousand, seven hundred forty-six".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 514417 1028834 1543251 3086502 4629753 9259506 21091097 42182194 63273291 126546582 189819873 379639746