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23012002 = 21319371259
BaseRepresentation
bin101011111001…
…0001010100010
31121022010112101
41113302022202
521342341002
62141121014
7366412246
oct127621242
947263471
1023012002
1111a98292
12785916a
1349c9390
1430b0426
152048587
hex15f22a2

23012002 has 32 divisors (see below), whose sum is σ = 40219200. Its totient is φ = 9782208.

The previous prime is 23011997. The next prime is 23012047. The reversal of 23012002 is 20021032.

It is a self number, because there is not a number n which added to its sum of digits gives 23012002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17649 + ... + 18907.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 223012002 is an apocalyptic number.

23012002 is a deficient number, since it is larger than the sum of its proper divisors (17207198).

23012002 is a wasteful number, since it uses less digits than its factorization.

23012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23012002 is about 4797.0826551145. The cubic root of 23012002 is about 284.4361561826.

Adding to 23012002 its reverse (20021032), we get a palindrome (43033034).

The spelling of 23012002 in words is "twenty-three million, twelve thousand, two".

Divisors: 1 2 13 19 26 37 38 74 247 481 494 703 962 1259 1406 2518 9139 16367 18278 23921 32734 46583 47842 93166 310973 605579 621946 885077 1211158 1770154 11506001 23012002