Search a number
-
+
23283438 = 2317673407
BaseRepresentation
bin101100011010…
…0011011101110
31121210220212120
41120310123232
521430032223
62151013410
7401622513
oct130643356
947726776
1023283438
1112163212
12796a266
134a92aa9
14314130a
15209dbe3
hex16346ee

23283438 has 32 divisors (see below), whose sum is σ = 50056704. Its totient is φ = 7193472.

The previous prime is 23283427. The next prime is 23283439. The reversal of 23283438 is 83438232.

It is a junction number, because it is equal to n+sod(n) for n = 23283399 and 23283408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23283439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (1564272).

Almost surely, 223283438 is an apocalyptic number.

23283438 is an abundant number, since it is smaller than the sum of its proper divisors (26773266).

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

23283438 is a wasteful number, since it uses less digits than its factorization.

23283438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its digits is 27648, while the sum is 33.

The square root of 23283438 is about 4825.2914937856. The cubic root of 23283438 is about 285.5501346848.

The spelling of 23283438 in words is "twenty-three million, two hundred eighty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 67 102 134 201 402 1139 2278 3407 3417 6814 6834 10221 20442 57919 115838 173757 228269 347514 456538 684807 1369614 3880573 7761146 11641719 23283438