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1449158893 = 71317392051
BaseRepresentation
bin101011001100000…
…0110100011101101
310201222211220021121
41112120012203231
510431441041033
6355444300541
750624435020
oct12630064355
93658756247
101449158893
11684015586
123453a1751
131a1301090
14da66b1b7
158735562d
hex566068ed

1449158893 has 16 divisors (see below), whose sum is σ = 1793909376. Its totient is φ = 1139947200.

The previous prime is 1449158881. The next prime is 1449158911. The reversal of 1449158893 is 3988519441.

It is not a de Polignac number, because 1449158893 - 217 = 1449027821 is a prime.

It is a super-2 number, since 2×14491588932 = 4200122994321970898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1449158893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449158803) 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, 30283 + ... + 61768.

It is an arithmetic number, because the mean of its divisors is an integer number (112119336).

Almost surely, 21449158893 is an apocalyptic number.

1449158893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1449158893 is a deficient number, since it is larger than the sum of its proper divisors (344750483).

1449158893 is a wasteful number, since it uses less digits than its factorization.

1449158893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92244.

The product of its digits is 1244160, while the sum is 52.

The square root of 1449158893 is about 38067.8196512487. The cubic root of 1449158893 is about 1131.6323012270.

The spelling of 1449158893 in words is "one billion, four hundred forty-nine million, one hundred fifty-eight thousand, eight hundred ninety-three".

Divisors: 1 7 13 91 173 1211 2249 15743 92051 644357 1196663 8376641 15924823 111473761 207022699 1449158893