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706162421 = 4523156127
BaseRepresentation
bin101010000101110…
…010111011110101
31211012202202201202
4222011302323311
52421234144141
6154023302245
723333165366
oct5205627365
91735682652
10706162421
11332679308
121785aa985
13b33b92b3
1469addb6d
1541edd49b
hex2a172ef5

706162421 has 4 divisors (see below), whose sum is σ = 706323072. Its totient is φ = 706001772.

The previous prime is 706162363. The next prime is 706162433. The reversal of 706162421 is 124261607.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-706162421 is a prime.

It is a super-3 number, since 3×7061624213 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706162621) 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 3 ways as a sum of consecutive naturals, for example, 73541 + ... + 82586.

It is an arithmetic number, because the mean of its divisors is an integer number (176580768).

Almost surely, 2706162421 is an apocalyptic number.

It is an amenable number.

706162421 is a deficient number, since it is larger than the sum of its proper divisors (160651).

706162421 is a wasteful number, since it uses less digits than its factorization.

706162421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160650.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 706162421 is about 26573.7167328923. The cubic root of 706162421 is about 890.5019350238.

It can be divided in two parts, 70616 and 2421, that added together give a palindrome (73037).

The spelling of 706162421 in words is "seven hundred six million, one hundred sixty-two thousand, four hundred twenty-one".

Divisors: 1 4523 156127 706162421