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140004887 = 11231015479
BaseRepresentation
bin10000101100001…
…00111000010111
3100202102222121012
420112010320113
5241320124022
621520442435
73320010341
oct1026047027
9322388535
10140004887
1172035820
123aa7941b
132300c639
1414846291
15c457de2
hex8584e17

140004887 has 16 divisors (see below), whose sum is σ = 160980480. Its totient is φ = 120516000.

The previous prime is 140004883. The next prime is 140004889. The reversal of 140004887 is 788400041.

It is not a de Polignac number, because 140004887 - 22 = 140004883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140004881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22814 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (10061280).

Almost surely, 2140004887 is an apocalyptic number.

140004887 is a deficient number, since it is larger than the sum of its proper divisors (20975593).

140004887 is a wasteful number, since it uses less digits than its factorization.

140004887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 140004887 is about 11832.3660778392. The cubic root of 140004887 is about 519.2554519526.

The spelling of 140004887 in words is "one hundred forty million, four thousand, eight hundred eighty-seven".

Divisors: 1 11 23 101 253 1111 2323 5479 25553 60269 126017 553379 1386187 6087169 12727717 140004887