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23197199 = 53439997
BaseRepresentation
bin101100001111…
…1011000001111
31121122112120112
41120133120033
521414302244
62145110235
7401113214
oct130373017
947575515
1023197199
1112104443
12792837b
134a6276c
14311bb0b
15208339e
hex161f60f

23197199 has 8 divisors (see below), whose sum is σ = 23712480. Its totient is φ = 22684896.

The previous prime is 23197189. The next prime is 23197211. The reversal of 23197199 is 99179132.

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 23197199 - 24 = 23197183 is a prime.

It is a super-2 number, since 2×231971992 = 1076220082891202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23197159) 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, 22769 + ... + 23765.

It is an arithmetic number, because the mean of its divisors is an integer number (2964060).

Almost surely, 223197199 is an apocalyptic number.

23197199 is a deficient number, since it is larger than the sum of its proper divisors (515281).

23197199 is an equidigital number, since it uses as much as digits as its factorization.

23197199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its digits is 30618, while the sum is 41.

The square root of 23197199 is about 4816.3470597539. The cubic root of 23197199 is about 285.1971509583.

The spelling of 23197199 in words is "twenty-three million, one hundred ninety-seven thousand, one hundred ninety-nine".

Divisors: 1 53 439 997 23267 52841 437683 23197199