Search a number
-
+
23740243452 = 2233219817069
BaseRepresentation
bin10110000111000001…
…110101110111111100
32021021111110022201000
4112013001311313330
5342110000242302
614523415450300
71500206511522
oct260701656774
967244408630
1023740243452
11a082826312
124726686990
13231454bb43
141212d40312
1593e2d131c
hex587075dfc

23740243452 has 24 divisors (see below), whose sum is σ = 61548779600. Its totient is φ = 7913414448.

The previous prime is 23740243451. The next prime is 23740243463. The reversal of 23740243452 is 25434204732.

23740243452 is a `hidden beast` number, since 2 + 374 + 0 + 243 + 45 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23740243451) 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, 109908427 + ... + 109908642.

Almost surely, 223740243452 is an apocalyptic number.

It is an amenable number.

23740243452 is an abundant number, since it is smaller than the sum of its proper divisors (37808536148).

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

23740243452 is a wasteful number, since it uses less digits than its factorization.

23740243452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219817082 (or 219817074 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

Adding to 23740243452 its product of nonzero digits (161280), we get a palindrome (23740404732).

The spelling of 23740243452 in words is "twenty-three billion, seven hundred forty million, two hundred forty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 219817069 439634138 659451207 879268276 1318902414 1978353621 2637804828 3956707242 5935060863 7913414484 11870121726 23740243452