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23940401 = 233133577
BaseRepresentation
bin101101101010…
…0110100110001
31200001022001112
41123110310301
522112043101
62213043105
7410330042
oct133246461
950038045
1023940401
1112571861
128026495
134c62b24
1432728c9
15217d6bb
hex16d4d31

23940401 has 8 divisors (see below), whose sum is σ = 25787904. Its totient is φ = 22160160.

The previous prime is 23940383. The next prime is 23940421. The reversal of 23940401 is 10404932.

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 23940401 - 26 = 23940337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23940421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16076 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (3223488).

Almost surely, 223940401 is an apocalyptic number.

It is an amenable number.

23940401 is a deficient number, since it is larger than the sum of its proper divisors (1847503).

23940401 is a wasteful number, since it uses less digits than its factorization.

23940401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33631.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23940401 is about 4892.8929070643. The cubic root of 23940401 is about 288.2109477219.

The spelling of 23940401 in words is "twenty-three million, nine hundred forty thousand, four hundred one".

Divisors: 1 23 31 713 33577 772271 1040887 23940401