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49023769 is a prime number
BaseRepresentation
bin1011101100000…
…0101100011001
310102020122222011
42323000230121
5100022230034
64510425521
71133460304
oct273005431
9112218864
1049023769
1125744313
12145022a1
13a205c62
146721b3b
154485864
hex2ec0b19

49023769 has 2 divisors, whose sum is σ = 49023770. Its totient is φ = 49023768.

The previous prime is 49023739. The next prime is 49023817. The reversal of 49023769 is 96732094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 582169 = 6960^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 49023769 - 215 = 48991001 is a prime.

It is a super-2 number, since 2×490237692 = 4806659853930722, which contains 22 as substring.

It is equal to p2945866 and since 49023769 and 2945866 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (49023719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24511884 + 24511885.

It is an arithmetic number, because the mean of its divisors is an integer number (24511885).

Almost surely, 249023769 is an apocalyptic number.

It is an amenable number.

49023769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49023769 is an equidigital number, since it uses as much as digits as its factorization.

49023769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 49023769 is about 7001.6975798730. The cubic root of 49023769 is about 365.9897301706.

The spelling of 49023769 in words is "forty-nine million, twenty-three thousand, seven hundred sixty-nine".