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338650380 = 223251881391
BaseRepresentation
bin10100001011110…
…110010100001100
3212121020012222200
4110023312110030
51143143303010
653334241500
711251323615
oct2413662414
9777205880
10338650380
11164183052
12954b6290
1355211253
1432d94c0c
151eae5cc0
hex142f650c

338650380 has 36 divisors (see below), whose sum is σ = 1027240032. Its totient is φ = 90306720.

The previous prime is 338650379. The next prime is 338650397. The reversal of 338650380 is 83056833.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3386503802 = 229368159748288800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940516 + ... + 940875.

Almost surely, 2338650380 is an apocalyptic number.

338650380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

338650380 is an abundant number, since it is smaller than the sum of its proper divisors (688589652).

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

338650380 is a wasteful number, since it uses less digits than its factorization.

338650380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881406 (or 1881401 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 338650380 is about 18402.4558143743. The cubic root of 338650380 is about 697.0284784789.

The spelling of 338650380 in words is "three hundred thirty-eight million, six hundred fifty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1881391 3762782 5644173 7525564 9406955 11288346 16932519 18813910 22576692 28220865 33865038 37627820 56441730 67730076 84662595 112883460 169325190 338650380