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49494942 = 2337235693
BaseRepresentation
bin1011110011001…
…1101110011110
310110010121022000
42330303232132
5100132314232
64524503130
71140462060
oct274635636
9113117260
1049494942
1125a36312
12146aaaa6
13a33c563
146805730
15452a27c
hex2f33b9e

49494942 has 64 divisors (see below), whose sum is σ = 131189760. Its totient is φ = 13524192.

The previous prime is 49494917. The next prime is 49494953. The reversal of 49494942 is 24949494.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 5848 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (2049840).

Almost surely, 249494942 is an apocalyptic number.

49494942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 49494942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65594880).

49494942 is an abundant number, since it is smaller than the sum of its proper divisors (81694818).

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

49494942 is a wasteful number, since it uses less digits than its factorization.

49494942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734 (or 5728 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 49494942 is about 7035.2641741444. The cubic root of 49494942 is about 367.1585166089.

The spelling of 49494942 in words is "forty-nine million, four hundred ninety-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 54 63 69 126 138 161 189 207 322 378 414 483 621 966 1242 1449 2898 4347 5693 8694 11386 17079 34158 39851 51237 79702 102474 119553 130939 153711 239106 261878 307422 358659 392817 717318 785634 916573 1075977 1178451 1833146 2151954 2356902 2749719 3535353 5499438 7070706 8249157 16498314 24747471 49494942