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23102115 = 351540141
BaseRepresentation
bin101100000100…
…0001010100011
31121110201010220
41120020022203
521403231430
62143054123
7400236051
oct130101243
947421126
1023102115
1112049a63
1278a1343
134a2b3ba
1430d51d1
152065110
hex16082a3

23102115 has 8 divisors (see below), whose sum is σ = 36963408. Its totient is φ = 12321120.

The previous prime is 23102113. The next prime is 23102129. The reversal of 23102115 is 51120132.

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

It is not a de Polignac number, because 23102115 - 21 = 23102113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1540141 = 23102115 / (2 + 3 + 1 + 0 + 2 + 1 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 23102094 and 23102103.

It is not an unprimeable number, because it can be changed into a prime (23102111) 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, 770056 + ... + 770085.

It is an arithmetic number, because the mean of its divisors is an integer number (4620426).

Almost surely, 223102115 is an apocalyptic number.

23102115 is a deficient number, since it is larger than the sum of its proper divisors (13861293).

23102115 is a wasteful number, since it uses less digits than its factorization.

23102115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540149.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 23102115 is about 4806.4659574369. The cubic root of 23102115 is about 284.8069483626.

Adding to 23102115 its reverse (51120132), we get a palindrome (74222247).

The spelling of 23102115 in words is "twenty-three million, one hundred two thousand, one hundred fifteen".

Divisors: 1 3 5 15 1540141 4620423 7700705 23102115