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13630898 = 29717019
BaseRepresentation
bin110011111111…
…110110110010
3221122112002002
4303333312302
511442142043
61204054002
7223601141
oct63776662
927575062
1013630898
117770106
124694302
132a93428
141b4b758
1512e3bb8
hexcffdb2

13630898 has 8 divisors (see below), whose sum is σ = 20470320. Its totient is φ = 6807460.

The previous prime is 13630891. The next prime is 13630907. The reversal of 13630898 is 89803631.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13630891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (2558790).

Almost surely, 213630898 is an apocalyptic number.

13630898 is a deficient number, since it is larger than the sum of its proper divisors (6839422).

13630898 is an equidigital number, since it uses as much as digits as its factorization.

13630898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 13630898 is about 3692.0046045475. The cubic root of 13630898 is about 238.8772675636.

The spelling of 13630898 in words is "thirteen million, six hundred thirty thousand, eight hundred ninety-eight".

Divisors: 1 2 971 1942 7019 14038 6815449 13630898