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105131633 = 313391343
BaseRepresentation
bin1100100010000…
…10111001110001
321022211020111012
412101002321301
5203403203013
614233200305
72414414135
oct621027161
9238736435
10105131633
1154386a52
122b260095
1318a1c489
14dd693c5
15936a1a8
hex6442e71

105131633 has 4 divisors (see below), whose sum is σ = 108523008. Its totient is φ = 101740260.

The previous prime is 105131629. The next prime is 105131639. The reversal of 105131633 is 336131501.

It is a happy number.

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 105131633 - 22 = 105131629 is a prime.

It is a super-2 number, since 2×1051316332 = 22105320514493378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105131599 and 105131608.

It is not an unprimeable number, because it can be changed into a prime (105131639) 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, 1695641 + ... + 1695702.

It is an arithmetic number, because the mean of its divisors is an integer number (27130752).

Almost surely, 2105131633 is an apocalyptic number.

It is an amenable number.

105131633 is a deficient number, since it is larger than the sum of its proper divisors (3391375).

105131633 is an equidigital number, since it uses as much as digits as its factorization.

105131633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391374.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 105131633 is about 10253.3717868806. The cubic root of 105131633 is about 471.9664599001.

The spelling of 105131633 in words is "one hundred five million, one hundred thirty-one thousand, six hundred thirty-three".

Divisors: 1 31 3391343 105131633