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382420690 = 25307124567
BaseRepresentation
bin10110110010110…
…100011011010010
3222122120222120021
4112302310123102
51240344430230
6101540334054
712322344061
oct2662643322
9878528507
10382420690
11186959363
12a80a432a
13612c7c42
1438b0a1d8
152388ec7a
hex16cb46d2

382420690 has 16 divisors (see below), whose sum is σ = 690604992. Its totient is φ = 152468784.

The previous prime is 382420679. The next prime is 382420691. The reversal of 382420690 is 96024283.

It is a super-2 number, since 2×3824206902 = 292491168280152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382420691) 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, 59214 + ... + 65353.

It is an arithmetic number, because the mean of its divisors is an integer number (43162812).

Almost surely, 2382420690 is an apocalyptic number.

382420690 is a deficient number, since it is larger than the sum of its proper divisors (308184302).

382420690 is a wasteful number, since it uses less digits than its factorization.

382420690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124881.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 382420690 is about 19555.5795107177. The cubic root of 382420690 is about 725.8504107354.

The spelling of 382420690 in words is "three hundred eighty-two million, four hundred twenty thousand, six hundred ninety".

Divisors: 1 2 5 10 307 614 1535 3070 124567 249134 622835 1245670 38242069 76484138 191210345 382420690