Search a number
-
+
112621907 = 253144497
BaseRepresentation
bin1101011011001…
…11100101010011
321211220210012202
412231213211103
5212312400112
615101513415
72535161516
oct655474523
9254823182
10112621907
1158632562
123187286b
131a4428a8
1410d58d7d
159d496c2
hex6b67953

112621907 has 4 divisors (see below), whose sum is σ = 112668936. Its totient is φ = 112574880.

The previous prime is 112621871. The next prime is 112621937. The reversal of 112621907 is 709126211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709126211 = 1123631457.

It is a cyclic number.

It is not a de Polignac number, because 112621907 - 26 = 112621843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112621907.

It is not an unprimeable number, because it can be changed into a prime (112621937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19718 + ... + 24779.

It is an arithmetic number, because the mean of its divisors is an integer number (28167234).

Almost surely, 2112621907 is an apocalyptic number.

112621907 is a deficient number, since it is larger than the sum of its proper divisors (47029).

112621907 is an equidigital number, since it uses as much as digits as its factorization.

112621907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47028.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 112621907 is about 10612.3469129123. The cubic root of 112621907 is about 482.9189996007.

The spelling of 112621907 in words is "one hundred twelve million, six hundred twenty-one thousand, nine hundred seven".

Divisors: 1 2531 44497 112621907