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48930489 = 325436721
BaseRepresentation
bin1011101010100…
…1111010111001
310102001221000100
42322221322321
5100011233424
64504430013
71132621326
oct272517271
9112057010
1048930489
1125690223
1214478309
13a1a266a
1466d9b4d
154467dc9
hex2ea9eb9

48930489 has 6 divisors (see below), whose sum is σ = 70677386. Its totient is φ = 32620320.

The previous prime is 48930473. The next prime is 48930503. The reversal of 48930489 is 98403984.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 7868025 = 6408^2 + 2805^2 .

It is not a de Polignac number, because 48930489 - 24 = 48930473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48930419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2718352 + ... + 2718369.

Almost surely, 248930489 is an apocalyptic number.

It is an amenable number.

48930489 is a deficient number, since it is larger than the sum of its proper divisors (21746897).

48930489 is a wasteful number, since it uses less digits than its factorization.

48930489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436727 (or 5436724 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 48930489 is about 6995.0331664689. The cubic root of 48930489 is about 365.7574537420.

The spelling of 48930489 in words is "forty-eight million, nine hundred thirty thousand, four hundred eighty-nine".

Divisors: 1 3 9 5436721 16310163 48930489