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4330981 = 101137313
BaseRepresentation
bin10000100001010111100101
322011000222201
4100201113211
52102042411
6232454501
751545524
oct20412745
98130881
104330981
112498a26
12154a431
13b88415
1480a4bb
155a83c1
hex4215e5

4330981 has 8 divisors (see below), whose sum is σ = 4419864. Its totient is φ = 4243200.

The previous prime is 4330973. The next prime is 4330987. The reversal of 4330981 is 1890334.

It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 3744225 = 766^2 + 1935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4330981 - 23 = 4330973 is a prime.

It is a super-2 number, since 2×43309812 = 37514792844722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4330987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13681 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (552483).

Almost surely, 24330981 is an apocalyptic number.

It is an amenable number.

4330981 is a deficient number, since it is larger than the sum of its proper divisors (88883).

4330981 is a wasteful number, since it uses less digits than its factorization.

4330981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4330981 is about 2081.1009105759. The cubic root of 4330981 is about 163.0029356993.

The spelling of 4330981 in words is "four million, three hundred thirty thousand, nine hundred eighty-one".

Divisors: 1 101 137 313 13837 31613 42881 4330981