Search a number
-
+
1377932830 = 25137793283
BaseRepresentation
bin101001000100001…
…1001011000011110
310120000211020111021
41102020121120132
510310222322310
6344421514354
746101143611
oct12210313036
93500736437
101377932830
1164789736a
123255729ba
1318c623491
14d100a178
1580e865da
hex5221961e

1377932830 has 8 divisors (see below), whose sum is σ = 2480279112. Its totient is φ = 551173128.

The previous prime is 1377932813. The next prime is 1377932891. The reversal of 1377932830 is 382397731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68896632 + ... + 68896651.

It is an arithmetic number, because the mean of its divisors is an integer number (310034889).

Almost surely, 21377932830 is an apocalyptic number.

1377932830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1377932830 is a deficient number, since it is larger than the sum of its proper divisors (1102346282).

1377932830 is a wasteful number, since it uses less digits than its factorization.

1377932830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137793290.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 1377932830 is about 37120.5176418649. The cubic root of 1377932830 is about 1112.7800966241.

The spelling of 1377932830 in words is "one billion, three hundred seventy-seven million, nine hundred thirty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 137793283 275586566 688966415 1377932830