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1381039754 = 21765939103
BaseRepresentation
bin101001001010000…
…1111111010001010
310120020200002101112
41102110033322022
510312021233004
6345012250322
746136433653
oct12224177212
93506602345
101381039754
11649619676
123266109a2
131901706b3
14d15b852a
158139be6e
hex5250fe8a

1381039754 has 8 divisors (see below), whose sum is σ = 2071729920. Its totient is φ = 690463116.

The previous prime is 1381039747. The next prime is 1381039787. The reversal of 1381039754 is 4579301831.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15767 + ... + 54869.

It is an arithmetic number, because the mean of its divisors is an integer number (258966240).

Almost surely, 21381039754 is an apocalyptic number.

1381039754 is a deficient number, since it is larger than the sum of its proper divisors (690690166).

1381039754 is a wasteful number, since it uses less digits than its factorization.

1381039754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56764.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1381039754 is about 37162.3432253673. The cubic root of 1381039754 is about 1113.6158238508.

The spelling of 1381039754 in words is "one billion, three hundred eighty-one million, thirty-nine thousand, seven hundred fifty-four".

Divisors: 1 2 17659 35318 39103 78206 690519877 1381039754