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1232013401 = 6167729833
BaseRepresentation
bin100100101101111…
…0000100001011001
310011212020202122222
41021123300201121
510010343412101
6322130153425
742346640543
oct11133604131
93155222588
101232013401
115824919a3
122a4722875
13168322a18
14b98a4693
157326101b
hex496f0859

1232013401 has 8 divisors (see below), whose sum is σ = 1254102024. Its totient is φ = 1209985920.

The previous prime is 1232013361. The next prime is 1232013403. The reversal of 1232013401 is 1043102321.

It can be written as a sum of positive squares in 4 ways, for example, as 193627225 + 1038386176 = 13915^2 + 32224^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1232013401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232013401.

It is not an unprimeable number, because it can be changed into a prime (1232013403) 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, 26381 + ... + 56213.

It is an arithmetic number, because the mean of its divisors is an integer number (156762753).

Almost surely, 21232013401 is an apocalyptic number.

It is an amenable number.

1232013401 is a deficient number, since it is larger than the sum of its proper divisors (22088623).

1232013401 is an equidigital number, since it uses as much as digits as its factorization.

1232013401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30571.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1232013401 is about 35100.0484472600. The cubic root of 1232013401 is about 1072.0255691277.

Adding to 1232013401 its reverse (1043102321), we get a palindrome (2275115722).

The spelling of 1232013401 in words is "one billion, two hundred thirty-two million, thirteen thousand, four hundred one".

Divisors: 1 61 677 29833 41297 1819813 20196941 1232013401