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49995378 = 2322777521
BaseRepresentation
bin1011111010110…
…1111001110010
310111002000202200
42332231321302
5100244323003
64543324030
71144645056
oct276557162
9114060680
1049995378
11262482a4
12148b0616
13a486284
1468d5c66
1545c86a3
hex2fade72

49995378 has 12 divisors (see below), whose sum is σ = 108323358. Its totient is φ = 16665120.

The previous prime is 49995373. The next prime is 49995389. The reversal of 49995378 is 87359994.

It can be written as a sum of positive squares in only one way, i.e., 46744569 + 3250809 = 6837^2 + 1803^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49995371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1388743 + ... + 1388778.

Almost surely, 249995378 is an apocalyptic number.

49995378 is an abundant number, since it is smaller than the sum of its proper divisors (58327980).

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

49995378 is a wasteful number, since it uses less digits than its factorization.

49995378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777529 (or 2777526 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 49995378 is about 7070.7409795579. The cubic root of 49995378 is about 368.3917977852.

The spelling of 49995378 in words is "forty-nine million, nine hundred ninety-five thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 2777521 5555042 8332563 16665126 24997689 49995378