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4121031 = 31373677
BaseRepresentation
bin1111101110000111000111
321202100222210
433232013013
52023333111
6224154503
750012445
oct17560707
97670883
104121031
112365212
121468a33
13b139a5
14793b95
155660a6
hex3ee1c7

4121031 has 4 divisors (see below), whose sum is σ = 5494712. Its totient is φ = 2747352.

The previous prime is 4121017. The next prime is 4121063. The reversal of 4121031 is 1301214.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4121031 - 25 = 4120999 is a prime.

It is a super-2 number, since 2×41210312 = 33965793005922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4120998 and 4121016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686836 + ... + 686841.

It is an arithmetic number, because the mean of its divisors is an integer number (1373678).

Almost surely, 24121031 is an apocalyptic number.

4121031 is a deficient number, since it is larger than the sum of its proper divisors (1373681).

4121031 is a wasteful number, since it uses less digits than its factorization.

4121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373680.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 4121031 is about 2030.0322657534. The cubic root of 4121031 is about 160.3252628068.

Adding to 4121031 its reverse (1301214), we get a palindrome (5422245).

The spelling of 4121031 in words is "four million, one hundred twenty-one thousand, thirty-one".

Divisors: 1 3 1373677 4121031