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23140435 = 513073541
BaseRepresentation
bin101100001000…
…1100001010011
31121112122201011
41120101201103
521410443220
62143551351
7400455553
oct130214123
947478634
1023140435
111207582a
1278bb557
134a42986
143105163
15207165a
hex1611853

23140435 has 8 divisors (see below), whose sum is σ = 27797616. Its totient is φ = 18492960.

The previous prime is 23140433. The next prime is 23140501. The reversal of 23140435 is 53404132.

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

It is not a de Polignac number, because 23140435 - 21 = 23140433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23140433) 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, 4765 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (3474702).

Almost surely, 223140435 is an apocalyptic number.

23140435 is a deficient number, since it is larger than the sum of its proper divisors (4657181).

23140435 is a wasteful number, since it uses less digits than its factorization.

23140435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23140435 is about 4810.4506025943. The cubic root of 23140435 is about 284.9643332816.

Adding to 23140435 its reverse (53404132), we get a palindrome (76544567).

The spelling of 23140435 in words is "twenty-three million, one hundred forty thousand, four hundred thirty-five".

Divisors: 1 5 1307 3541 6535 17705 4628087 23140435