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1387477084 = 227172128793
BaseRepresentation
bin101001010110011…
…0011100001011100
310120200210010202011
41102230303201130
510320143231314
6345402241004
746245234460
oct12254634134
93520703664
101387477084
11652216084
123287b6164
131915b5776
14d23b24a0
1581c1e4c4
hex52b3385c

1387477084 has 24 divisors (see below), whose sum is σ = 2776663008. Its totient is φ = 594266880.

The previous prime is 1387477067. The next prime is 1387477103. The reversal of 1387477084 is 4807747831.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33792 + ... + 62584.

It is an arithmetic number, because the mean of its divisors is an integer number (115694292).

Almost surely, 21387477084 is an apocalyptic number.

1387477084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1387477084 is an abundant number, since it is smaller than the sum of its proper divisors (1389185924).

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

1387477084 is a wasteful number, since it uses less digits than its factorization.

1387477084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30525 (or 30523 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 1387477084 is about 37248.8534588650. The cubic root of 1387477084 is about 1115.3434118195.

The spelling of 1387477084 in words is "one billion, three hundred eighty-seven million, four hundred seventy-seven thousand, eighty-four".

Divisors: 1 2 4 7 14 28 1721 3442 6884 12047 24094 28793 48188 57586 115172 201551 403102 806204 49552753 99105506 198211012 346869271 693738542 1387477084