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49994994 = 2373171429
BaseRepresentation
bin1011111010110…
…1110011110010
310111002000020110
42332231303302
5100244314434
64543322150
71144644000
oct276556362
9114060213
1049994994
1126247a85
12148b0356
13a48604a
1468d5a70
1545c84e9
hex2fadcf2

49994994 has 64 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 13434624.

The previous prime is 49994993. The next prime is 49995041. The reversal of 49994994 is 49949994.

Its product of digits (3779136) is a multiple of the sum of its prime divisors (1458).

It is not an unprimeable number, because it can be changed into a prime (49994993) 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 31 ways as a sum of consecutive naturals, for example, 34272 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (1930500).

Almost surely, 249994994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49994994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61776000).

49994994 is an abundant number, since it is smaller than the sum of its proper divisors (73557006).

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

49994994 is a wasteful number, since it uses less digits than its factorization.

49994994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1458 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The square root of 49994994 is about 7070.7138253503. The cubic root of 49994994 is about 368.3908546126.

The spelling of 49994994 in words is "forty-nine million, nine hundred ninety-four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 49 51 98 102 119 147 238 294 343 357 686 714 833 1029 1429 1666 2058 2499 2858 4287 4998 5831 8574 10003 11662 17493 20006 24293 30009 34986 48586 60018 70021 72879 140042 145758 170051 210063 340102 420126 490147 510153 980294 1020306 1190357 1470441 2380714 2940882 3571071 7142142 8332499 16664998 24997497 49994994