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232045401 = 3769115991
BaseRepresentation
bin11011101010010…
…11101101011001
3121011122010110010
431311023231121
5433400423101
635005312133
75515232130
oct1565135531
9534563403
10232045401
11109a90165
1265865649
13390c7293
1422b64917
15155892d6
hexdd4bb59

232045401 has 16 divisors (see below), whose sum is σ = 354126848. Its totient is φ = 132397200.

The previous prime is 232045369. The next prime is 232045417. The reversal of 232045401 is 104540232.

It is not a de Polignac number, because 232045401 - 25 = 232045369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232045421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6516 + ... + 22506.

It is an arithmetic number, because the mean of its divisors is an integer number (22132928).

Almost surely, 2232045401 is an apocalyptic number.

232045401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232045401 is a deficient number, since it is larger than the sum of its proper divisors (122081447).

232045401 is a wasteful number, since it uses less digits than its factorization.

232045401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16692.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 232045401 is about 15233.0364996609. The cubic root of 232045401 is about 614.5034447804.

Adding to 232045401 its reverse (104540232), we get a palindrome (336585633).

The spelling of 232045401 in words is "two hundred thirty-two million, forty-five thousand, four hundred one".

Divisors: 1 3 7 21 691 2073 4837 14511 15991 47973 111937 335811 11049781 33149343 77348467 232045401