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48880489 = 721079323
BaseRepresentation
bin1011101001110…
…1101101101001
310101222101102111
42322131231221
5100003133424
64503402321
71132322500
oct272355551
9111871374
1048880489
11256566a9
12144533a1
13a185988
1466c5837
154458194
hex2e9db69

48880489 has 12 divisors (see below), whose sum is σ = 57398544. Its totient is φ = 41501544.

The previous prime is 48880463. The next prime is 48880499. The reversal of 48880489 is 98408884.

It is not a de Polignac number, because 48880489 - 29 = 48879977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (48880499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582 + ... + 9904.

It is an arithmetic number, because the mean of its divisors is an integer number (4783212).

Almost surely, 248880489 is an apocalyptic number.

48880489 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

48880489 is a deficient number, since it is larger than the sum of its proper divisors (8518055).

48880489 is a wasteful number, since it uses less digits than its factorization.

48880489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 48880489 is about 6991.4582885118. The cubic root of 48880489 is about 365.6328272510.

The spelling of 48880489 in words is "forty-eight million, eight hundred eighty thousand, four hundred eighty-nine".

Divisors: 1 7 49 107 749 5243 9323 65261 456827 997561 6982927 48880489