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1377742000 = 2453688871
BaseRepresentation
bin101001000011110…
…1010110010110000
310120000110112201111
41102013222302300
510310200221000
6344413443104
746066420345
oct12207526260
93500415644
101377742000
11647776a58
123254a0494
1318c58766b
14d0d9a7cc
1580e49cba
hex521eacb0

1377742000 has 40 divisors (see below), whose sum is σ = 3331384992. Its totient is φ = 551096000.

The previous prime is 1377741997. The next prime is 1377742031. The reversal of 1377742000 is 2477731.

It is a tau number, because it is divible by the number of its divisors (40).

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, 342436 + ... + 346435.

Almost surely, 21377742000 is an apocalyptic number.

1377742000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377742000 is an abundant number, since it is smaller than the sum of its proper divisors (1953642992).

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

1377742000 is an equidigital number, since it uses as much as digits as its factorization.

1377742000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688894 (or 688878 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 1377742000 is about 37117.9471415109. The cubic root of 1377742000 is about 1112.7287245919.

The spelling of 1377742000 in words is "one billion, three hundred seventy-seven million, seven hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 688871 1377742 2755484 3444355 5510968 6888710 11021936 13777420 17221775 27554840 34443550 55109680 68887100 86108875 137774200 172217750 275548400 344435500 688871000 1377742000