Search a number
-
+
48497640 = 23353113037
BaseRepresentation
bin1011100100000…
…0001111101000
310101020221020220
42321000033220
544403411030
64451250040
71126136352
oct271001750
9111227226
1048497640
1125414aa4
12142a9920
13a080639
1466260d2
1543cea10
hex2e403e8

48497640 has 64 divisors (see below), whose sum is σ = 150197760. Its totient is φ = 12514560.

The previous prime is 48497627. The next prime is 48497677. The reversal of 48497640 is 4679484.

It is a junction number, because it is equal to n+sod(n) for n = 48497592 and 48497601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799 + ... + 10238.

It is an arithmetic number, because the mean of its divisors is an integer number (2346840).

Almost surely, 248497640 is an apocalyptic number.

48497640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48497640 is an abundant number, since it is smaller than the sum of its proper divisors (101700120).

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

48497640 is a wasteful number, since it uses less digits than its factorization.

48497640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082 (or 13078 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 48497640 is about 6964.0246984054. The cubic root of 48497640 is about 364.6757362812.

The spelling of 48497640 in words is "forty-eight million, four hundred ninety-seven thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 13037 26074 39111 52148 65185 78222 104296 130370 156444 195555 260740 312888 391110 404147 521480 782220 808294 1212441 1564440 1616588 2020735 2424882 3233176 4041470 4849764 6062205 8082940 9699528 12124410 16165880 24248820 48497640