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49308644 = 22711160093
BaseRepresentation
bin1011110000011…
…0001111100100
310102210010202002
42330012033210
5100110334034
64520504432
71136054660
oct274061744
9112703662
1049308644
1125919350
121461b118
13a2a5818
1467978a0
1544dee7e
hex2f063e4

49308644 has 24 divisors (see below), whose sum is σ = 107583168. Its totient is φ = 19211040.

The previous prime is 49308643. The next prime is 49308647. The reversal of 49308644 is 44680394.

49308644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49308598 and 49308607.

It is not an unprimeable number, because it can be changed into a prime (49308643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79739 + ... + 80354.

It is an arithmetic number, because the mean of its divisors is an integer number (4482632).

Almost surely, 249308644 is an apocalyptic number.

49308644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49308644 is an abundant number, since it is smaller than the sum of its proper divisors (58274524).

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

49308644 is a wasteful number, since it uses less digits than its factorization.

49308644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160115 (or 160113 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 49308644 is about 7022.0113927564. The cubic root of 49308644 is about 366.6972782524.

The spelling of 49308644 in words is "forty-nine million, three hundred eight thousand, six hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 160093 320186 640372 1120651 1761023 2241302 3522046 4482604 7044092 12327161 24654322 49308644