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23838402 = 237281083
BaseRepresentation
bin101101011101…
…1111011000010
31122212010010210
41122323323002
522100312102
62210534550
7406423500
oct132737302
948763123
1023838402
1112502165
127b97456
134c28583
143247670
15215d36c
hex16bbec2

23838402 has 24 divisors (see below), whose sum is σ = 55461456. Its totient is φ = 6810888.

The previous prime is 23838401. The next prime is 23838421. The reversal of 23838402 is 20483832.

It is a self number, because there is not a number n which added to its sum of digits gives 23838402.

It is not an unprimeable number, because it can be changed into a prime (23838401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40248 + ... + 40835.

It is an arithmetic number, because the mean of its divisors is an integer number (2310894).

Almost surely, 223838402 is an apocalyptic number.

23838402 is an abundant number, since it is smaller than the sum of its proper divisors (31623054).

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

23838402 is a wasteful number, since it uses less digits than its factorization.

23838402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81102 (or 81095 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 23838402 is about 4882.4586019750. The cubic root of 23838402 is about 287.8010537676.

The spelling of 23838402 in words is "twenty-three million, eight hundred thirty-eight thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 81083 162166 243249 486498 567581 1135162 1702743 3405486 3973067 7946134 11919201 23838402