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45751969 is a prime number
BaseRepresentation
bin1010111010000…
…1111010100001
310012002102220101
42232201322201
543203030334
64312342401
71063612444
oct256417241
9105072811
1045751969
112390a14a
12133a4a01
13962b993
14610d65b
15403b214
hex2ba1ea1

45751969 has 2 divisors, whose sum is σ = 45751970. Its totient is φ = 45751968.

The previous prime is 45751961. The next prime is 45751997. The reversal of 45751969 is 96915754.

45751969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43758225 + 1993744 = 6615^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 45751969 - 23 = 45751961 is a prime.

It is a super-2 number, since 2×457519692 = 4186485334753922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45751961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22875984 + 22875985.

It is an arithmetic number, because the mean of its divisors is an integer number (22875985).

Almost surely, 245751969 is an apocalyptic number.

It is an amenable number.

45751969 is a deficient number, since it is larger than the sum of its proper divisors (1).

45751969 is an equidigital number, since it uses as much as digits as its factorization.

45751969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 46.

The square root of 45751969 is about 6764.0201803365. The cubic root of 45751969 is about 357.6596356199.

The spelling of 45751969 in words is "forty-five million, seven hundred fifty-one thousand, nine hundred sixty-nine".