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23108402 = 211554201
BaseRepresentation
bin101100000100…
…1101100110010
31121111000202202
41120021230302
521403432102
62143143202
7400263302
oct130115462
947430682
1023108402
1112053759
1278a4b02
134a31215
1430d7602
152066e02
hex1609b32

23108402 has 4 divisors (see below), whose sum is σ = 34662606. Its totient is φ = 11554200.

The previous prime is 23108383. The next prime is 23108411. The reversal of 23108402 is 20480132.

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., 19971961 + 3136441 = 4469^2 + 1771^2 .

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, 5777099 + ... + 5777102.

Almost surely, 223108402 is an apocalyptic number.

23108402 is a deficient number, since it is larger than the sum of its proper divisors (11554204).

23108402 is a wasteful number, since it uses less digits than its factorization.

23108402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11554203.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 23108402 is about 4807.1199277738. The cubic root of 23108402 is about 284.8327817676.

Adding to 23108402 its reverse (20480132), we get a palindrome (43588534).

The spelling of 23108402 in words is "twenty-three million, one hundred eight thousand, four hundred two".

Divisors: 1 2 11554201 23108402