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41192021 = 133168617
BaseRepresentation
bin1001110100100…
…0101001010101
32212111202211102
42131020221111
541021121041
64030515445
71010061233
oct235105125
985452742
1041192021
11212851a2
1211965b85
1386c32a0
145683953
15393a09b
hex2748a55

41192021 has 4 divisors (see below), whose sum is σ = 44360652. Its totient is φ = 38023392.

The previous prime is 41191993. The next prime is 41192029. The reversal of 41192021 is 12029114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12029114 = 26014557.

It can be written as a sum of positive squares in 2 ways, for example, as 15689521 + 25502500 = 3961^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 41192021 - 222 = 36997717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41191984 and 41192002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41192029) 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, 1584296 + ... + 1584321.

It is an arithmetic number, because the mean of its divisors is an integer number (11090163).

Almost surely, 241192021 is an apocalyptic number.

It is an amenable number.

41192021 is a deficient number, since it is larger than the sum of its proper divisors (3168631).

41192021 is a wasteful number, since it uses less digits than its factorization.

41192021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168630.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 41192021 is about 6418.1010431435. The cubic root of 41192021 is about 345.3592029991.

The spelling of 41192021 in words is "forty-one million, one hundred ninety-two thousand, twenty-one".

Divisors: 1 13 3168617 41192021