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404432061 = 31112255517
BaseRepresentation
bin11000000110110…
…010010010111101
31001012000021111020
4120012302102331
51312013311221
6104044214353
713010421135
oct3006622275
91035007436
10404432061
11198322880
12b353a3b9
1365a33a17
143b9d9ac5
152578bac6
hex181b24bd

404432061 has 8 divisors (see below), whose sum is σ = 588264864. Its totient is φ = 245110320.

The previous prime is 404432059. The next prime is 404432101. The reversal of 404432061 is 160234404.

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

It is not a de Polignac number, because 404432061 - 21 = 404432059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404432051) 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, 6127726 + ... + 6127791.

It is an arithmetic number, because the mean of its divisors is an integer number (73533108).

Almost surely, 2404432061 is an apocalyptic number.

It is an amenable number.

404432061 is a deficient number, since it is larger than the sum of its proper divisors (183832803).

404432061 is a wasteful number, since it uses less digits than its factorization.

404432061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255531.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 404432061 is about 20110.4962892515. The cubic root of 404432061 is about 739.5176190269.

Adding to 404432061 its reverse (160234404), we get a palindrome (564666465).

The spelling of 404432061 in words is "four hundred four million, four hundred thirty-two thousand, sixty-one".

Divisors: 1 3 11 33 12255517 36766551 134810687 404432061