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379343817 = 349748281
BaseRepresentation
bin10110100111000…
…101001111001001
3222102210122220000
4112213011033021
51234103000232
6101350353213
712254240436
oct2647051711
9872718800
10379343817
11185147696
12a705b809
136078b5c8
1438548b8d
152348327c
hex169c53c9

379343817 has 20 divisors (see below), whose sum is σ = 572527956. Its totient is φ = 250283520.

The previous prime is 379343813. The next prime is 379343827. The reversal of 379343817 is 718343973.

It can be written as a sum of positive squares in 2 ways, for example, as 167029776 + 212314041 = 12924^2 + 14571^2 .

It is not a de Polignac number, because 379343817 - 22 = 379343813 is a prime.

It is a super-2 number, since 2×3793438172 = 287803462992258978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (379343813) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16284 + ... + 31997.

Almost surely, 2379343817 is an apocalyptic number.

It is an amenable number.

379343817 is a deficient number, since it is larger than the sum of its proper divisors (193184139).

379343817 is an equidigital number, since it uses as much as digits as its factorization.

379343817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48390 (or 48381 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 379343817 is about 19476.7506786938. The cubic root of 379343817 is about 723.8984886880.

It can be divided in two parts, 3793438 and 17, that multiplied together give a palindrome (64488446).

The spelling of 379343817 in words is "three hundred seventy-nine million, three hundred forty-three thousand, eight hundred seventeen".

Divisors: 1 3 9 27 81 97 291 873 2619 7857 48281 144843 434529 1303587 3910761 4683257 14049771 42149313 126447939 379343817