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458540749 is a prime number
BaseRepresentation
bin11011010101001…
…100011011001101
31011221211021122201
4123111030123031
51414341300444
6113300041501
714235350332
oct3325143315
91157737581
10458540749
1121591a4a7
12109693291
1373cca2b4
1444c82989
152a3c8dd4
hex1b54c6cd

458540749 has 2 divisors, whose sum is σ = 458540750. Its totient is φ = 458540748.

The previous prime is 458540729. The next prime is 458540807. The reversal of 458540749 is 947045854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396288649 + 62252100 = 19907^2 + 7890^2 .

It is a cyclic number.

It is not a de Polignac number, because 458540749 - 25 = 458540717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 458540699 and 458540708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (458540729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229270374 + 229270375.

It is an arithmetic number, because the mean of its divisors is an integer number (229270375).

Almost surely, 2458540749 is an apocalyptic number.

It is an amenable number.

458540749 is a deficient number, since it is larger than the sum of its proper divisors (1).

458540749 is an equidigital number, since it uses as much as digits as its factorization.

458540749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 458540749 is about 21413.5646028399. The cubic root of 458540749 is about 771.1271225793.

The spelling of 458540749 in words is "four hundred fifty-eight million, five hundred forty thousand, seven hundred forty-nine".