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49381924 = 2297137929
BaseRepresentation
bin1011110001100…
…0001000100100
310102220212021011
42330120020210
5100120210144
64522232004
71136511424
oct274301044
9112825234
1049381924
1125969409
1214655604
13a2ccc97
1467b6484
154506a34
hex2f18224

49381924 has 24 divisors (see below), whose sum is σ = 88041240. Its totient is φ = 24231936.

The previous prime is 49381921. The next prime is 49381961. The reversal of 49381924 is 42918394.

It can be written as a sum of positive squares in 4 ways, for example, as 381924 + 49000000 = 618^2 + 7000^2 .

It is not an unprimeable number, because it can be changed into a prime (49381921) 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, 52692 + ... + 53620.

It is an arithmetic number, because the mean of its divisors is an integer number (3668385).

Almost surely, 249381924 is an apocalyptic number.

It is an amenable number.

49381924 is a deficient number, since it is larger than the sum of its proper divisors (38659316).

49381924 is a wasteful number, since it uses less digits than its factorization.

49381924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1165 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 49381924 is about 7027.2273337355. The cubic root of 49381924 is about 366.8788439552.

It can be divided in two parts, 49381 and 924, that added together give a palindrome (50305).

The spelling of 49381924 in words is "forty-nine million, three hundred eighty-one thousand, nine hundred twenty-four".

Divisors: 1 2 4 97 137 194 274 388 548 929 1858 3716 13289 26578 53156 90113 127273 180226 254546 360452 509092 12345481 24690962 49381924