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1377660054 = 23277828917
BaseRepresentation
bin101001000011101…
…0110110010010110
310120000022101022110
41102013112302112
510310140110204
6344412011450
746065626421
oct12207266226
93500271273
101377660054
11647720431
12325460b86
1318c559284
14d0d789b8
1580e30889
hex521d6c96

1377660054 has 16 divisors (see below), whose sum is σ = 2765270448. Its totient is φ = 457561632.

The previous prime is 1377660023. The next prime is 1377660071. The reversal of 1377660054 is 4500667731.

It is a junction number, because it is equal to n+sod(n) for n = 1377659994 and 1377660021.

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, 412797 + ... + 416120.

It is an arithmetic number, because the mean of its divisors is an integer number (172829403).

Almost surely, 21377660054 is an apocalyptic number.

1377660054 is an abundant number, since it is smaller than the sum of its proper divisors (1387610394).

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

1377660054 is a wasteful number, since it uses less digits than its factorization.

1377660054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829199.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 1377660054 is about 37116.8432655580. The cubic root of 1377660054 is about 1112.7066630167.

The spelling of 1377660054 in words is "one billion, three hundred seventy-seven million, six hundred sixty thousand, fifty-four".

Divisors: 1 2 3 6 277 554 831 1662 828917 1657834 2486751 4973502 229610009 459220018 688830027 1377660054