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4050981 = 3211172983
BaseRepresentation
bin1111011101000000100101
321121210220100
433131000211
52014112411
6222454313
746301304
oct17350045
97553810
104050981
112317620
121434399
13abab3c
1477643b
15550456
hex3dd025

4050981 has 48 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 2204160.

The previous prime is 4050979. The next prime is 4050983. The reversal of 4050981 is 1890504.

4050981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4050979) and next prime (4050983).

It is not a de Polignac number, because 4050981 - 21 = 4050979 is a prime.

It is a super-2 number, since 2×40509812 = 32820894124722, 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 (4050983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48766 + ... + 48848.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

Almost surely, 24050981 is an apocalyptic number.

It is an amenable number.

4050981 is a deficient number, since it is larger than the sum of its proper divisors (3025179).

4050981 is a wasteful number, since it uses less digits than its factorization.

4050981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 4050981 is about 2012.7048964019. The cubic root of 4050981 is about 159.4116543144.

The spelling of 4050981 in words is "four million, fifty thousand, nine hundred eighty-one".

Divisors: 1 3 9 11 17 29 33 51 83 87 99 153 187 249 261 319 493 561 747 913 957 1411 1479 1683 2407 2739 2871 4233 4437 5423 7221 8217 12699 15521 16269 21663 26477 40919 46563 48807 79431 122757 139689 238293 368271 450109 1350327 4050981