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48980689 = 1719151643
BaseRepresentation
bin1011101011011…
…0001011010001
310102011110212121
42322312023101
5100014340224
64505454241
71133220562
oct272661321
9112143777
1048980689
1125714a0a
12144a1381
13a1bc474
146710169
154477be4
hex2eb62d1

48980689 has 8 divisors (see below), whose sum is σ = 54591840. Its totient is φ = 43672896.

The previous prime is 48980683. The next prime is 48980717. The reversal of 48980689 is 98608984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48980689 - 29 = 48980177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48980683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75499 + ... + 76144.

It is an arithmetic number, because the mean of its divisors is an integer number (6823980).

Almost surely, 248980689 is an apocalyptic number.

It is an amenable number.

48980689 is a deficient number, since it is larger than the sum of its proper divisors (5611151).

48980689 is a wasteful number, since it uses less digits than its factorization.

48980689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151679.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 48980689 is about 6998.6205069285. The cubic root of 48980689 is about 365.8824933576.

It can be divided in two parts, 48980 and 689, that multiplied together give a triangular number (33747220 = T8215).

The spelling of 48980689 in words is "forty-eight million, nine hundred eighty thousand, six hundred eighty-nine".

Divisors: 1 17 19 323 151643 2577931 2881217 48980689