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49441986 = 23211713517
BaseRepresentation
bin1011110010011…
…0110011000010
310110000220122200
42330212303002
5100124120421
64523414030
71140151506
oct274466302
9113026580
1049441986
11259aa550
1214684316
13a321419
1467d0306
154519726
hex2f26cc2

49441986 has 48 divisors (see below), whose sum is σ = 118542528. Its totient is φ = 14767200.

The previous prime is 49441963. The next prime is 49441991. The reversal of 49441986 is 68914494.

49441986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12300 + ... + 15816.

It is an arithmetic number, because the mean of its divisors is an integer number (2469636).

Almost surely, 249441986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49441986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59271264).

49441986 is an abundant number, since it is smaller than the sum of its proper divisors (69100542).

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

49441986 is a wasteful number, since it uses less digits than its factorization.

49441986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3604 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49441986 is about 7031.4995555713. The cubic root of 49441986 is about 367.0275255485.

The spelling of 49441986 in words is "forty-nine million, four hundred forty-one thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 71 99 142 198 213 426 639 781 1278 1562 2343 3517 4686 7029 7034 10551 14058 21102 31653 38687 63306 77374 116061 232122 249707 348183 499414 696366 749121 1498242 2247363 2746777 4494726 5493554 8240331 16480662 24720993 49441986