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49998132 = 22321388837
BaseRepresentation
bin1011111010111…
…0100100110100
310111002011112200
42332232210310
5100244420012
64543344500
71144656102
oct276564464
9114064480
1049998132
112624a378
12148b2130
13a4875c2
1468d6c72
1545c93dc
hex2fae934

49998132 has 18 divisors (see below), whose sum is σ = 126384258. Its totient is φ = 16666032.

The previous prime is 49998127. The next prime is 49998163. The reversal of 49998132 is 23189994.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 2056356 = 6924^2 + 1434^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694383 + ... + 694454.

Almost surely, 249998132 is an apocalyptic number.

It is an amenable number.

49998132 is an abundant number, since it is smaller than the sum of its proper divisors (76386126).

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

49998132 is a wasteful number, since it uses less digits than its factorization.

49998132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388847 (or 1388842 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 49998132 is about 7070.9357230850. The cubic root of 49998132 is about 368.3985619597.

It can be divided in two parts, 4999 and 8132, that added together give a palindrome (13131).

The spelling of 49998132 in words is "forty-nine million, nine hundred ninety-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1388837 2777674 4166511 5555348 8333022 12499533 16666044 24999066 49998132