Search a number
-
+
23206745 = 513933391
BaseRepresentation
bin101100010000…
…1101101011001
31121200000200002
41120201231121
521420103440
62145222345
7401153102
oct130415531
947600602
1023206745
1112110631
1279319b5
134a66c03
1431213a9
152086115
hex1621b59

23206745 has 8 divisors (see below), whose sum is σ = 28049280. Its totient is φ = 18431280.

The previous prime is 23206727. The next prime is 23206763. The reversal of 23206745 is 54760232.

It is an interprime number because it is at equal distance from previous prime (23206727) and next prime (23206763).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23206745 - 28 = 23206489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16001 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (3506160).

Almost surely, 223206745 is an apocalyptic number.

It is an amenable number.

23206745 is a deficient number, since it is larger than the sum of its proper divisors (4842535).

23206745 is a wasteful number, since it uses less digits than its factorization.

23206745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33535.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23206745 is about 4817.3379578352. The cubic root of 23206745 is about 285.2362665809.

Adding to 23206745 its reverse (54760232), we get a palindrome (77966977).

The spelling of 23206745 in words is "twenty-three million, two hundred six thousand, seven hundred forty-five".

Divisors: 1 5 139 695 33391 166955 4641349 23206745