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23897330 = 252389733
BaseRepresentation
bin101101100101…
…0010011110010
31122222002222022
41123022103302
522104203310
62212111442
7410060342
oct133122362
948862868
1023897330
1112542466
128005582
134c49342
143260d22
152170a55
hex16ca4f2

23897330 has 8 divisors (see below), whose sum is σ = 43015212. Its totient is φ = 9558928.

The previous prime is 23897327. The next prime is 23897351. The reversal of 23897330 is 3379832.

It can be written as a sum of positive squares in 2 ways, for example, as 20894041 + 3003289 = 4571^2 + 1733^2 .

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

It is a super-2 number, since 2×238973302 = 1142164762257800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194857 + ... + 1194876.

Almost surely, 223897330 is an apocalyptic number.

23897330 is a deficient number, since it is larger than the sum of its proper divisors (19117882).

23897330 is a wasteful number, since it uses less digits than its factorization.

23897330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389740.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 23897330 is about 4888.4895417705. The cubic root of 23897330 is about 288.0380045654.

The spelling of 23897330 in words is "twenty-three million, eight hundred ninety-seven thousand, three hundred thirty".

Divisors: 1 2 5 10 2389733 4779466 11948665 23897330