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49408986 = 23113720233
BaseRepresentation
bin1011110001111…
…0101111011010
310102222020101110
42330132233122
5100122041421
64523001150
71136653344
oct274365732
9112866343
1049408986
1125987780
12146691b6
13a30c3b3
1467c2294
15450ea76
hex2f1ebda

49408986 has 32 divisors (see below), whose sum is σ = 110720448. Its totient is φ = 14567040.

The previous prime is 49408951. The next prime is 49408993. The reversal of 49408986 is 68980494.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7675 + ... + 12558.

It is an arithmetic number, because the mean of its divisors is an integer number (3460014).

Almost surely, 249408986 is an apocalyptic number.

49408986 is an abundant number, since it is smaller than the sum of its proper divisors (61311462).

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

49408986 is a wasteful number, since it uses less digits than its factorization.

49408986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20286.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 49408986 is about 7029.1525805036. The cubic root of 49408986 is about 366.9458499996.

The spelling of 49408986 in words is "forty-nine million, four hundred eight thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 1221 2442 20233 40466 60699 121398 222563 445126 667689 748621 1335378 1497242 2245863 4491726 8234831 16469662 24704493 49408986