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49488740 = 22571512341
BaseRepresentation
bin1011110011001…
…0001101100100
310110010021210022
42330302031210
5100132114430
64524414312
71140435020
oct274621544
9113107708
1049488740
1125a31694
12146a7398
13a3397a2
146803380
1545284e5
hex2f32364

49488740 has 48 divisors (see below), whose sum is σ = 119610624. Its totient is φ = 16848000.

The previous prime is 49488701. The next prime is 49488757. The reversal of 49488740 is 4788494.

49488740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49488691 and 49488700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19970 + ... + 22310.

It is an arithmetic number, because the mean of its divisors is an integer number (2491888).

Almost surely, 249488740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49488740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59805312).

49488740 is an abundant number, since it is smaller than the sum of its proper divisors (70121884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49488740 is a wasteful number, since it uses less digits than its factorization.

49488740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 49488740 is about 7034.8233808675. The cubic root of 49488740 is about 367.1431802793.

The spelling of 49488740 in words is "forty-nine million, four hundred eighty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 151 302 604 755 1057 1510 2114 2341 3020 4228 4682 5285 9364 10570 11705 16387 21140 23410 32774 46820 65548 81935 163870 327740 353491 706982 1413964 1767455 2474437 3534910 4948874 7069820 9897748 12372185 24744370 49488740