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23157154 = 2107108211
BaseRepresentation
bin101100001010…
…1100110100010
31121120111122101
41120111212202
521412012104
62144201014
7400555366
oct130254642
947514571
1023157154
1112087349
12790916a
134a4a477
14310b2a6
1520765a4
hex16159a2

23157154 has 8 divisors (see below), whose sum is σ = 35060688. Its totient is φ = 11470260.

The previous prime is 23157151. The next prime is 23157161. The reversal of 23157154 is 45175132.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (23157151) 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 in 3 ways as a sum of consecutive naturals, for example, 53892 + ... + 54319.

It is an arithmetic number, because the mean of its divisors is an integer number (4382586).

Almost surely, 223157154 is an apocalyptic number.

23157154 is a deficient number, since it is larger than the sum of its proper divisors (11903534).

23157154 is a wasteful number, since it uses less digits than its factorization.

23157154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108320.

The product of its digits is 4200, while the sum is 28.

The square root of 23157154 is about 4812.1880678128. The cubic root of 23157154 is about 285.0329458169.

The spelling of 23157154 in words is "twenty-three million, one hundred fifty-seven thousand, one hundred fifty-four".

Divisors: 1 2 107 214 108211 216422 11578577 23157154