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23488136 = 237597109
BaseRepresentation
bin101100110011…
…0011010001000
31122012022122222
41121212122020
522003110021
62155233212
7403434350
oct131463210
948168588
1023488136
1112292a91
127a48808
134b35009
143195b60
1520de6ab
hex1666688

23488136 has 32 divisors (see below), whose sum is σ = 51192000. Its totient is φ = 9894336.

The previous prime is 23488117. The next prime is 23488141. The reversal of 23488136 is 63188432.

It is a happy number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 23488096 and 23488105.

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 in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 6858.

It is an arithmetic number, because the mean of its divisors is an integer number (1599750).

Almost surely, 223488136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23488136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25596000).

23488136 is an abundant number, since it is smaller than the sum of its proper divisors (27703864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23488136 is a wasteful number, since it uses less digits than its factorization.

23488136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181 (or 7177 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 23488136 is about 4846.4560247670. The cubic root of 23488136 is about 286.3845057315.

The spelling of 23488136 in words is "twenty-three million, four hundred eighty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 1652 3304 7109 14218 28436 49763 56872 99526 199052 398104 419431 838862 1677724 2936017 3355448 5872034 11744068 23488136