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4123031 = 1131107113
BaseRepresentation
bin1111101110100110010111
321202110201212
433232212113
52023414111
6224212035
750021333
oct17564627
97673655
104123031
112366770
12146a01b
13b14883
147947c3
1556698b
hex3ee997

4123031 has 16 divisors (see below), whose sum is σ = 4727808. Its totient is φ = 3561600.

The previous prime is 4122997. The next prime is 4123037. The reversal of 4123031 is 1303214.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4123031 is a prime.

It is a super-2 number, since 2×41230312 = 33998769253922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4122997 and 4123015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36431 + ... + 36543.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

Almost surely, 24123031 is an apocalyptic number.

4123031 is a deficient number, since it is larger than the sum of its proper divisors (604777).

4123031 is a wasteful number, since it uses less digits than its factorization.

4123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 4123031 is about 2030.5248090087. The cubic root of 4123031 is about 160.3511947210.

Adding to 4123031 its reverse (1303214), we get a palindrome (5426245).

It can be divided in two parts, 412 and 3031, that added together give a palindrome (3443).

The spelling of 4123031 in words is "four million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 11 31 107 113 341 1177 1243 3317 3503 12091 36487 38533 133001 374821 4123031