Search a number
-
+
3164452421 = 13298393773
BaseRepresentation
bin1011110010011101…
…1011011001000101
322011112110211122112
42330213123121011
522440044434141
61242001110405
7141263254544
oct27447333105
98145424575
103164452421
111384283a39
12743928405
133b57a3770
142203b415b
15137c2a7eb
hexbc9db645

3164452421 has 8 divisors (see below), whose sum is σ = 3525385080. Its totient is φ = 2820307392.

The previous prime is 3164452393. The next prime is 3164452457. The reversal of 3164452421 is 1242544613.

It can be written as a sum of positive squares in 4 ways, for example, as 693268900 + 2471183521 = 26330^2 + 49711^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3164452421 - 210 = 3164451397 is a prime.

It is a super-2 number, since 2×31644524212 = 20027518249545522482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3164452481) 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, 4196510 + ... + 4197263.

It is an arithmetic number, because the mean of its divisors is an integer number (440673135).

Almost surely, 23164452421 is an apocalyptic number.

It is an amenable number.

3164452421 is a deficient number, since it is larger than the sum of its proper divisors (360932659).

3164452421 is a wasteful number, since it uses less digits than its factorization.

3164452421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393815.

The product of its digits is 23040, while the sum is 32.

The square root of 3164452421 is about 56253.4658576696. The cubic root of 3164452421 is about 1468.1356687037.

The spelling of 3164452421 in words is "three billion, one hundred sixty-four million, four hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 13 29 377 8393773 109119049 243419417 3164452421