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14157530 = 251415753
BaseRepresentation
bin110110000000…
…011011011010
3222122021110222
4312000123122
512111020110
61223240042
7231223412
oct66003332
928567428
1014157530
117a9a842
1248a9022
132c1904a
141c47642
151399c55
hexd806da

14157530 has 8 divisors (see below), whose sum is σ = 25483572. Its totient is φ = 5663008.

The previous prime is 14157529. The next prime is 14157541. The reversal of 14157530 is 3575141.

It can be written as a sum of positive squares in 2 ways, for example, as 13920361 + 237169 = 3731^2 + 487^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 14157530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707867 + ... + 707886.

Almost surely, 214157530 is an apocalyptic number.

14157530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14157530 is a deficient number, since it is larger than the sum of its proper divisors (11326042).

14157530 is a wasteful number, since it uses less digits than its factorization.

14157530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415760.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 14157530 is about 3762.6493325847. The cubic root of 14157530 is about 241.9148324031.

The spelling of 14157530 in words is "fourteen million, one hundred fifty-seven thousand, five hundred thirty".

Divisors: 1 2 5 10 1415753 2831506 7078765 14157530