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380532444 = 22331711037
BaseRepresentation
bin10110101011100…
…111011011011100
3222112001001101020
4112223213123130
51234404014234
6101432044140
712300321015
oct2653473334
9875031336
10380532444
11185889726
12a7533650
1360ab6636
143877800c
152361a549
hex16ae76dc

380532444 has 12 divisors (see below), whose sum is σ = 887909064. Its totient is φ = 126844144.

The previous prime is 380532443. The next prime is 380532469. The reversal of 380532444 is 444235083.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3805324442 = 289609881873226272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380532443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15855507 + ... + 15855530.

It is an arithmetic number, because the mean of its divisors is an integer number (73992422).

Almost surely, 2380532444 is an apocalyptic number.

It is an amenable number.

380532444 is an abundant number, since it is smaller than the sum of its proper divisors (507376620).

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

380532444 is a wasteful number, since it uses less digits than its factorization.

380532444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31711044 (or 31711042 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 380532444 is about 19507.2408095046. The cubic root of 380532444 is about 724.6537825330.

The spelling of 380532444 in words is "three hundred eighty million, five hundred thirty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 31711037 63422074 95133111 126844148 190266222 380532444