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49995556 = 2213961453
BaseRepresentation
bin1011111010110…
…1111100100100
310111002001000021
42332231330210
5100244324211
64543324524
71144645432
oct276557444
9114061007
1049995556
1126248446
12148b0744
13a486390
1468d5d52
1545c8771
hex2fadf24

49995556 has 12 divisors (see below), whose sum is σ = 94222492. Its totient is φ = 23074848.

The previous prime is 49995527. The next prime is 49995557. The reversal of 49995556 is 65559994.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 38638656 = 3370^2 + 6216^2 .

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 961453 = 49995556 / (4 + 9 + 9 + 9 + 5 + 5 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (49995557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480675 + ... + 480778.

Almost surely, 249995556 is an apocalyptic number.

It is an amenable number.

49995556 is a deficient number, since it is larger than the sum of its proper divisors (44226936).

49995556 is a wasteful number, since it uses less digits than its factorization.

49995556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961470 (or 961468 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 52.

The square root of 49995556 is about 7070.7535666292. The cubic root of 49995556 is about 368.3922349833.

The spelling of 49995556 in words is "forty-nine million, nine hundred ninety-five thousand, five hundred fifty-six".

Divisors: 1 2 4 13 26 52 961453 1922906 3845812 12498889 24997778 49995556