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14306557 = 34940993
BaseRepresentation
bin110110100100…
…110011111101
3222220211220111
4312210303331
512130302212
61230350021
7232414036
oct66446375
928824814
1014306557
118091801
12495b311
132c6bb25
141c85a8d
1513c8ea7
hexda4cfd

14306557 has 4 divisors (see below), whose sum is σ = 14347900. Its totient is φ = 14265216.

The previous prime is 14306521. The next prime is 14306561. The reversal of 14306557 is 75560341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75560341 = 292605529.

It can be written as a sum of positive squares in 2 ways, for example, as 6046681 + 8259876 = 2459^2 + 2874^2 .

It is a cyclic number.

It is not a de Polignac number, because 14306557 - 215 = 14273789 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 (14306587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20148 + ... + 20845.

It is an arithmetic number, because the mean of its divisors is an integer number (3586975).

Almost surely, 214306557 is an apocalyptic number.

It is an amenable number.

14306557 is a deficient number, since it is larger than the sum of its proper divisors (41343).

14306557 is an equidigital number, since it uses as much as digits as its factorization.

14306557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41342.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 14306557 is about 3782.4009570642. The cubic root of 14306557 is about 242.7606974264.

Adding to 14306557 its reverse (75560341), we get a palindrome (89866898).

The spelling of 14306557 in words is "fourteen million, three hundred six thousand, five hundred fifty-seven".

Divisors: 1 349 40993 14306557