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380111007 = 31722631667
BaseRepresentation
bin10110101010000…
…000100010011111
3222111020122021110
4112222000202133
51234302023012
6101415033103
712263614233
oct2652004237
9874218243
10380111007
11185621031
12a736b793
1360999873
14386a85c3
152358573c
hex16a8089f

380111007 has 24 divisors (see below), whose sum is σ = 540752256. Its totient is φ = 237451648.

The previous prime is 380111003. The next prime is 380111009. The reversal of 380111007 is 700111083.

It is not a de Polignac number, because 380111007 - 22 = 380111003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380111003) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 227188 + ... + 228854.

It is an arithmetic number, because the mean of its divisors is an integer number (22531344).

Almost surely, 2380111007 is an apocalyptic number.

380111007 is a deficient number, since it is larger than the sum of its proper divisors (160641249).

380111007 is a wasteful number, since it uses less digits than its factorization.

380111007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 380111007 is about 19496.4357511828. The cubic root of 380111007 is about 724.3861673957.

The spelling of 380111007 in words is "three hundred eighty million, one hundred eleven thousand, seven".

Divisors: 1 3 17 51 263 289 789 867 1667 4471 5001 13413 28339 76007 85017 228021 438421 481763 1315263 1445289 7453157 22359471 126703669 380111007