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49105982 = 224552991
BaseRepresentation
bin1011101101010…
…0110000111110
310102101211202002
42323110300332
5100032342412
64512302302
71134252062
oct273246076
9112354662
1049105982
11257a0062
1214541992
13a2344c3
146743aa2
15449edc2
hex2ed4c3e

49105982 has 4 divisors (see below), whose sum is σ = 73658976. Its totient is φ = 24552990.

The previous prime is 49105981. The next prime is 49106009. The reversal of 49105982 is 28950194.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×491059822 = 4822794936368648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49105981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12276494 + ... + 12276497.

It is an arithmetic number, because the mean of its divisors is an integer number (18414744).

Almost surely, 249105982 is an apocalyptic number.

49105982 is a deficient number, since it is larger than the sum of its proper divisors (24552994).

49105982 is a wasteful number, since it uses less digits than its factorization.

49105982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552993.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 49105982 is about 7007.5660539163. The cubic root of 49105982 is about 366.1942045178.

It can be divided in two parts, 49105 and 982, that multiplied together give a triangular number (48221110 = T9820).

The spelling of 49105982 in words is "forty-nine million, one hundred five thousand, nine hundred eighty-two".

Divisors: 1 2 24552991 49105982