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23997298 = 213922973
BaseRepresentation
bin101101110001…
…0101101110010
31200011012002211
41123202231302
522120403143
62214202334
7410654653
oct133425562
950135084
1023997298
1112600586
1280533aa
134c829b0
14328952a
15219049d
hex16e2b72

23997298 has 8 divisors (see below), whose sum is σ = 38764908. Its totient is φ = 11075664.

The previous prime is 23997289. The next prime is 23997299. The reversal of 23997298 is 89279932.

It can be written as a sum of positive squares in 2 ways, for example, as 22155849 + 1841449 = 4707^2 + 1357^2 .

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

It is a super-2 number, since 2×239972982 = 1151740622601608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23997299) 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, 461461 + ... + 461512.

Almost surely, 223997298 is an apocalyptic number.

23997298 is a deficient number, since it is larger than the sum of its proper divisors (14767610).

23997298 is a wasteful number, since it uses less digits than its factorization.

23997298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922988.

The product of its digits is 489888, while the sum is 49.

The square root of 23997298 is about 4898.7037060839. The cubic root of 23997298 is about 288.4390887709.

The spelling of 23997298 in words is "twenty-three million, nine hundred ninety-seven thousand, two hundred ninety-eight".

Divisors: 1 2 13 26 922973 1845946 11998649 23997298