Search a number
-
+
906429 = 3302143
BaseRepresentation
bin11011101010010111101
31201001101110
43131102331
5213001204
631232233
710463436
oct3352275
91631343
10906429
1156a017
12378679
13259764
1419848d
1512d889
hexdd4bd

906429 has 4 divisors (see below), whose sum is σ = 1208576. Its totient is φ = 604284.

The previous prime is 906427. The next prime is 906431. The reversal of 906429 is 924609.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (906427) and next prime (906431).

It is not a de Polignac number, because 906429 - 21 = 906427 is a prime.

It is a super-2 number, since 2×9064292 = 1643227064082, 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 = 906396 and 906405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 906429.

It is not an unprimeable number, because it can be changed into a prime (906421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151069 + ... + 151074.

It is an arithmetic number, because the mean of its divisors is an integer number (302144).

2906429 is an apocalyptic number.

It is an amenable number.

906429 is a deficient number, since it is larger than the sum of its proper divisors (302147).

906429 is a wasteful number, since it uses less digits than its factorization.

906429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302146.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 906429 is about 952.0656489970. The cubic root of 906429 is about 96.7782869702.

The spelling of 906429 in words is "nine hundred six thousand, four hundred twenty-nine".

Divisors: 1 3 302143 906429