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1380938022 = 232191401669
BaseRepresentation
bin101001001001111…
…0111000100100110
310120020110220211200
41102103313010212
510312010004042
6345010143330
746135531242
oct12223670446
93506426750
101380938022
1164955a1a2
12326581b46
131901362b9
14d158d422
158137bc4c
hex524f7126

1380938022 has 24 divisors (see below), whose sum is σ = 3007704960. Its totient is φ = 457901520.

The previous prime is 1380937969. The next prime is 1380938023. The reversal of 1380938022 is 2208390831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380938023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197397 + ... + 204272.

It is an arithmetic number, because the mean of its divisors is an integer number (125321040).

Almost surely, 21380938022 is an apocalyptic number.

1380938022 is an abundant number, since it is smaller than the sum of its proper divisors (1626766938).

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

1380938022 is a wasteful number, since it uses less digits than its factorization.

1380938022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401868 (or 401865 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1380938022 is about 37160.9744490103. The cubic root of 1380938022 is about 1113.5884789592.

The spelling of 1380938022 in words is "one billion, three hundred eighty million, nine hundred thirty-eight thousand, twenty-two".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 401669 803338 1205007 2410014 3615021 7230042 76718779 153437558 230156337 460312674 690469011 1380938022