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23690272 = 25740321
BaseRepresentation
bin101101001011…
…1110000100000
31122120120221111
41122113300200
522031042042
62203433104
7405235564
oct132276040
948516844
1023690272
1112410941
127b25794
134ba6018
1432096a4
15212e517
hex1697c20

23690272 has 12 divisors (see below), whose sum is σ = 46640286. Its totient is φ = 11845120.

The previous prime is 23690243. The next prime is 23690281. The reversal of 23690272 is 27209632.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 1449616 = 4716^2 + 1204^2 .

It is a super-2 number, since 2×236902722 = 1122457974867968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370129 + ... + 370192.

Almost surely, 223690272 is an apocalyptic number.

It is an amenable number.

23690272 is a deficient number, since it is larger than the sum of its proper divisors (22950014).

23690272 is an equidigital number, since it uses as much as digits as its factorization.

23690272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740331 (or 740323 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23690272 is about 4867.2653513035. The cubic root of 23690272 is about 287.2036901785.

The spelling of 23690272 in words is "twenty-three million, six hundred ninety thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 740321 1480642 2961284 5922568 11845136 23690272