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379013249 = 1742152957
BaseRepresentation
bin10110100101110…
…100100010000001
3222102011212102202
4112211310202001
51234011410444
6101335322545
712251362616
oct2645644201
9872155382
10379013249
11184a4129a
12a6b20455
13606a3cc4
14384a050d
152341a34e
hex16974881

379013249 has 8 divisors (see below), whose sum is σ = 402268968. Its totient is φ = 355864320.

The previous prime is 379013233. The next prime is 379013269. The reversal of 379013249 is 942310973.

It can be written as a sum of positive squares in 4 ways, for example, as 9412624 + 369600625 = 3068^2 + 19225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 379013249 - 24 = 379013233 is a prime.

It is a super-3 number, since 3×3790132493 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (379013269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19322 + ... + 33635.

It is an arithmetic number, because the mean of its divisors is an integer number (50283621).

Almost surely, 2379013249 is an apocalyptic number.

It is an amenable number.

379013249 is a deficient number, since it is larger than the sum of its proper divisors (23255719).

379013249 is a wasteful number, since it uses less digits than its factorization.

379013249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53395.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 379013249 is about 19468.2626086664. The cubic root of 379013249 is about 723.6881542384.

The spelling of 379013249 in words is "three hundred seventy-nine million, thirteen thousand, two hundred forty-nine".

Divisors: 1 17 421 7157 52957 900269 22294897 379013249