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382125561 = 33128314519
BaseRepresentation
bin10110110001101…
…100010111111001
3222122000222201120
4112301230113321
51240311004221
6101530135453
712320004456
oct2661542771
9878028646
10382125561
11186777654
12a7b81589
13612237cc
1438a7082d
15238325c6
hex16c6c5f9

382125561 has 16 divisors (see below), whose sum is σ = 527831040. Its totient is φ = 245644560.

The previous prime is 382125481. The next prime is 382125599. The reversal of 382125561 is 165521283.

It is not a de Polignac number, because 382125561 - 211 = 382123513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (382123561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19060 + ... + 33578.

It is an arithmetic number, because the mean of its divisors is an integer number (32989440).

Almost surely, 2382125561 is an apocalyptic number.

382125561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

382125561 is a deficient number, since it is larger than the sum of its proper divisors (145705479).

382125561 is a wasteful number, since it uses less digits than its factorization.

382125561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14836.

The product of its digits is 14400, while the sum is 33.

The square root of 382125561 is about 19548.0321516003. The cubic root of 382125561 is about 725.6636402997.

The spelling of 382125561 in words is "three hundred eighty-two million, one hundred twenty-five thousand, five hundred sixty-one".

Divisors: 1 3 31 93 283 849 8773 14519 26319 43557 450089 1350267 4108877 12326631 127375187 382125561