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49989198 = 2371995981
BaseRepresentation
bin1011111010110…
…0011001001110
310111001201021210
42332230121032
5100244123243
64543235250
71144621050
oct276543116
9114051253
1049989198
1126243696
12148a8b26
13a48350c
1468d38d0
1545c6933
hex2fac64e

49989198 has 32 divisors (see below), whose sum is σ = 114854400. Its totient is φ = 14208480.

The previous prime is 49989187. The next prime is 49989217. The reversal of 49989198 is 89198994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5368 + ... + 11348.

It is an arithmetic number, because the mean of its divisors is an integer number (3589200).

Almost surely, 249989198 is an apocalyptic number.

49989198 is an abundant number, since it is smaller than the sum of its proper divisors (64865202).

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

49989198 is a wasteful number, since it uses less digits than its factorization.

49989198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192.

The product of its digits is 1679616, while the sum is 57.

The square root of 49989198 is about 7070.3039538622. The cubic root of 49989198 is about 368.3766180145.

It can be divided in two parts, 4998 and 9198, that added together give a triangular number (14196 = T168).

The spelling of 49989198 in words is "forty-nine million, nine hundred eighty-nine thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 199 398 597 1194 1393 2786 4179 5981 8358 11962 17943 35886 41867 83734 125601 251202 1190219 2380438 3570657 7141314 8331533 16663066 24994599 49989198