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23103142 = 227114261
BaseRepresentation
bin101100000100…
…0011010100110
31121110202112221
41120020122212
521403300032
62143102554
7400242046
oct130103246
947422487
1023103142
111204a807
1278a1a5a
134a2b9ca
1430d5726
152065597
hex16086a6

23103142 has 8 divisors (see below), whose sum is σ = 34675632. Its totient is φ = 11544600.

The previous prime is 23103137. The next prime is 23103149. The reversal of 23103142 is 24130132.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3292 + ... + 7552.

It is an arithmetic number, because the mean of its divisors is an integer number (4334454).

Almost surely, 223103142 is an apocalyptic number.

23103142 is a deficient number, since it is larger than the sum of its proper divisors (11572490).

23103142 is a wasteful number, since it uses less digits than its factorization.

23103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23103142 is about 4806.5727915012. The cubic root of 23103142 is about 284.8111686458.

Adding to 23103142 its reverse (24130132), we get a palindrome (47233274).

The spelling of 23103142 in words is "twenty-three million, one hundred three thousand, one hundred forty-two".

Divisors: 1 2 2711 4261 5422 8522 11551571 23103142