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1990714395 = 35896914797
BaseRepresentation
bin111011010100111…
…1110010000011011
312010201212202202210
41312221332100123
513034110330040
6525311530203
7100221536025
oct16651762033
95121782683
101990714395
1193178520a
12476829963
13259575a17
1414c55d015
15b9b7b480
hex76a7e41b

1990714395 has 16 divisors (see below), whose sum is σ = 3185713440. Its totient is φ = 1061524224.

The previous prime is 1990714391. The next prime is 1990714471. The reversal of 1990714395 is 5934170991.

It is not a de Polignac number, because 1990714395 - 22 = 1990714391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1990714391) 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, 127137 + ... + 141933.

It is an arithmetic number, because the mean of its divisors is an integer number (199107090).

Almost surely, 21990714395 is an apocalyptic number.

1990714395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1990714395 is a deficient number, since it is larger than the sum of its proper divisors (1194999045).

1990714395 is a wasteful number, since it uses less digits than its factorization.

1990714395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23774.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 1990714395 is about 44617.4225499412. The cubic root of 1990714395 is about 1257.9681696235.

The spelling of 1990714395 in words is "one billion, nine hundred ninety million, seven hundred fourteen thousand, three hundred ninety-five".

Divisors: 1 3 5 15 8969 14797 26907 44391 44845 73985 134535 221955 132714293 398142879 663571465 1990714395