Search a number
-
+
107045881 = 199537919
BaseRepresentation
bin1100110000101…
…10001111111001
321110102111100021
412120112033321
5204400432011
614342210441
72436606055
oct630261771
9243374307
10107045881
1155474178
122ba23a21
131923c877
1410306c65
1595e7471
hex66163f9

107045881 has 4 divisors (see below), whose sum is σ = 107584000. Its totient is φ = 106507764.

The previous prime is 107045879. The next prime is 107045891. The reversal of 107045881 is 188540701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107045881 - 21 = 107045879 is a prime.

It is a super-2 number, since 2×1070458812 = 22917641278132322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107045891) 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, 268761 + ... + 269158.

It is an arithmetic number, because the mean of its divisors is an integer number (26896000).

Almost surely, 2107045881 is an apocalyptic number.

It is an amenable number.

107045881 is a deficient number, since it is larger than the sum of its proper divisors (538119).

107045881 is an equidigital number, since it uses as much as digits as its factorization.

107045881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538118.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 107045881 is about 10346.2979369434. The cubic root of 107045881 is about 474.8137862882.

The spelling of 107045881 in words is "one hundred seven million, forty-five thousand, eight hundred eighty-one".

Divisors: 1 199 537919 107045881