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49378984 = 236172373
BaseRepresentation
bin1011110001011…
…1011010101000
310102220201020021
42330113122220
5100120111414
64522210224
71136500024
oct274273250
9112821207
1049378984
1125967186
1214653974
13a2cb845
1467b5384
154505c24
hex2f176a8

49378984 has 8 divisors (see below), whose sum is σ = 92585610. Its totient is φ = 24689488.

The previous prime is 49378969. The next prime is 49378993. The reversal of 49378984 is 48987394.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 19980900 = 5422^2 + 4470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086179 + ... + 3086194.

Almost surely, 249378984 is an apocalyptic number.

It is an amenable number.

49378984 is a deficient number, since it is larger than the sum of its proper divisors (43206626).

49378984 is a wasteful number, since it uses less digits than its factorization.

49378984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172379 (or 6172375 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 49378984 is about 7027.0181442771. The cubic root of 49378984 is about 366.8715629832.

The spelling of 49378984 in words is "forty-nine million, three hundred seventy-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 6172373 12344746 24689492 49378984