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13422297 = 37639157
BaseRepresentation
bin110011001100…
…111011011001
3221020220221010
4303030323121
511414003142
61155404133
7222042030
oct63147331
927226833
1013422297
117638409
1245b3649
132a1c4b5
141ad5717
1512a1e9c
hexccced9

13422297 has 8 divisors (see below), whose sum is σ = 20453056. Its totient is φ = 7669872.

The previous prime is 13422289. The next prime is 13422313. The reversal of 13422297 is 79222431.

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

It is not a de Polignac number, because 13422297 - 23 = 13422289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13422247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319558 + ... + 319599.

It is an arithmetic number, because the mean of its divisors is an integer number (2556632).

Almost surely, 213422297 is an apocalyptic number.

It is an amenable number.

13422297 is a deficient number, since it is larger than the sum of its proper divisors (7030759).

13422297 is an equidigital number, since it uses as much as digits as its factorization.

13422297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639167.

The product of its digits is 6048, while the sum is 30.

The square root of 13422297 is about 3663.6453158023. The cubic root of 13422297 is about 237.6524421139.

The spelling of 13422297 in words is "thirteen million, four hundred twenty-two thousand, two hundred ninety-seven".

Divisors: 1 3 7 21 639157 1917471 4474099 13422297