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23650642 = 211825321
BaseRepresentation
bin101101000111…
…0000101010010
31122111120120201
41122032011102
522023310032
62202525414
7405012211
oct132160522
948446521
1023650642
1112394094
127b0686a
134b90c82
1431d9078
1521228e7
hex168e152

23650642 has 4 divisors (see below), whose sum is σ = 35475966. Its totient is φ = 11825320.

The previous prime is 23650607. The next prime is 23650643. The reversal of 23650642 is 24605632.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 811801 = 4779^2 + 901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23650642.

It is not an unprimeable number, because it can be changed into a prime (23650643) by changing a digit.

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, 5912659 + ... + 5912662.

Almost surely, 223650642 is an apocalyptic number.

23650642 is a deficient number, since it is larger than the sum of its proper divisors (11825324).

23650642 is a wasteful number, since it uses less digits than its factorization.

23650642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825323.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 23650642 is about 4863.1925727859. The cubic root of 23650642 is about 287.0434523274.

The spelling of 23650642 in words is "twenty-three million, six hundred fifty thousand, six hundred forty-two".

Divisors: 1 2 11825321 23650642