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14721401 = 89251659
BaseRepresentation
bin111000001010…
…000101111001
31000200220222002
4320022011321
512232041101
61243310345
7236062352
oct70120571
930626862
1014721401
118345452
124b1b3b5
1330858b6
141d52d29
15145bd6b
hexe0a179

14721401 has 8 divisors (see below), whose sum is σ = 14968800. Its totient is φ = 14476000.

The previous prime is 14721397. The next prime is 14721433. The reversal of 14721401 is 10412741.

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

It is a cyclic number.

It is not a de Polignac number, because 14721401 - 22 = 14721397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14721101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22010 + ... + 22668.

It is an arithmetic number, because the mean of its divisors is an integer number (1871100).

Almost surely, 214721401 is an apocalyptic number.

It is an amenable number.

14721401 is a deficient number, since it is larger than the sum of its proper divisors (247399).

14721401 is an equidigital number, since it uses as much as digits as its factorization.

14721401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 14721401 is about 3836.8477947398. The cubic root of 14721401 is about 245.0848019644.

The spelling of 14721401 in words is "fourteen million, seven hundred twenty-one thousand, four hundred one".

Divisors: 1 89 251 659 22339 58651 165409 14721401