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4017961 = 7156591
BaseRepresentation
bin1111010100111100101001
321120010121101
433110330221
52012033321
6222041401
746103113
oct17247451
97503541
104017961
1122a4832
121419261
13aa8abc
147683b3
15545791
hex3d4f29

4017961 has 4 divisors (see below), whose sum is σ = 4074624. Its totient is φ = 3961300.

The previous prime is 4017931. The next prime is 4017977. The reversal of 4017961 is 1697104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4017961 - 27 = 4017833 is a prime.

It is a super-2 number, since 2×40179612 = 32288021195042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4017931) 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 3 ways as a sum of consecutive naturals, for example, 28225 + ... + 28366.

It is an arithmetic number, because the mean of its divisors is an integer number (1018656).

Almost surely, 24017961 is an apocalyptic number.

It is an amenable number.

4017961 is a deficient number, since it is larger than the sum of its proper divisors (56663).

4017961 is an equidigital number, since it uses as much as digits as its factorization.

4017961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56662.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 4017961 is about 2004.4852206988. The cubic root of 4017961 is about 158.9773447146.

The spelling of 4017961 in words is "four million, seventeen thousand, nine hundred sixty-one".

Divisors: 1 71 56591 4017961