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49105854 = 2327616389
BaseRepresentation
bin1011101101010…
…0101110111110
310102101211120100
42323110232332
5100032341404
64512301530
71134251520
oct273245676
9112354510
1049105854
112579aa56
12145418a6
13a234425
146743a10
15449ed39
hex2ed4bbe

49105854 has 48 divisors (see below), whose sum is σ = 123608160. Its totient is φ = 13798080.

The previous prime is 49105853. The next prime is 49105867. The reversal of 49105854 is 45850194.

It is a super-2 number, since 2×491058542 = 4822769794138632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49105853) 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 23 ways as a sum of consecutive naturals, for example, 4492 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (2575170).

Almost surely, 249105854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49105854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61804080).

49105854 is an abundant number, since it is smaller than the sum of its proper divisors (74502306).

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

49105854 is a wasteful number, since it uses less digits than its factorization.

49105854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465 (or 6462 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 49105854 is about 7007.5569209247. The cubic root of 49105854 is about 366.1938863428.

The spelling of 49105854 in words is "forty-nine million, one hundred five thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 122 126 183 366 427 549 854 1098 1281 2562 3843 6389 7686 12778 19167 38334 44723 57501 89446 115002 134169 268338 389729 402507 779458 805014 1169187 2338374 2728103 3507561 5456206 7015122 8184309 16368618 24552927 49105854