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105125233 = 195532907
BaseRepresentation
bin1100100010000…
…01010101110001
321022210220201011
412101001111301
5203403001413
614233110521
72414356363
oct621012561
9238726634
10105125233
1154382164
122b258441
1318a195a5
14dd66d33
15936833d
hex6441571

105125233 has 4 divisors (see below), whose sum is σ = 110658160. Its totient is φ = 99592308.

The previous prime is 105125219. The next prime is 105125257. The reversal of 105125233 is 332521501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332521501 = 1325578577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105125233 is a prime.

It is a super-2 number, since 2×1051252332 = 22102629226608578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105125213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766435 + ... + 2766472.

It is an arithmetic number, because the mean of its divisors is an integer number (27664540).

Almost surely, 2105125233 is an apocalyptic number.

It is an amenable number.

105125233 is a deficient number, since it is larger than the sum of its proper divisors (5532927).

105125233 is an equidigital number, since it uses as much as digits as its factorization.

105125233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532926.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 105125233 is about 10253.0596896731. The cubic root of 105125233 is about 471.9568825523.

Adding to 105125233 its reverse (332521501), we get a palindrome (437646734).

The spelling of 105125233 in words is "one hundred five million, one hundred twenty-five thousand, two hundred thirty-three".

Divisors: 1 19 5532907 105125233