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454623041 = 1997227653
BaseRepresentation
bin11011000110001…
…111111101000001
31011200110020120102
4123012033331001
51412340414131
6113040052145
714160142415
oct3306177501
91150406512
10454623041
11213694024
12108304055
1373258022
1444542d45
1529da31cb
hex1b18ff41

454623041 has 4 divisors (see below), whose sum is σ = 454852692. Its totient is φ = 454393392.

The previous prime is 454623019. The next prime is 454623097. The reversal of 454623041 is 140326454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38626225 + 415996816 = 6215^2 + 20396^2 .

It is a cyclic number.

It is not a de Polignac number, because 454623041 - 214 = 454606657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454622995 and 454623013.

It is not an unprimeable number, because it can be changed into a prime (454623941) 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, 111830 + ... + 115823.

It is an arithmetic number, because the mean of its divisors is an integer number (113713173).

Almost surely, 2454623041 is an apocalyptic number.

It is an amenable number.

454623041 is a deficient number, since it is larger than the sum of its proper divisors (229651).

454623041 is a wasteful number, since it uses less digits than its factorization.

454623041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229650.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 454623041 is about 21321.8911215680. The cubic root of 454623041 is about 768.9247041548.

Adding to 454623041 its reverse (140326454), we get a palindrome (594949495).

The spelling of 454623041 in words is "four hundred fifty-four million, six hundred twenty-three thousand, forty-one".

Divisors: 1 1997 227653 454623041