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3164250421 = 3361941461
BaseRepresentation
bin1011110010011010…
…1010000100110101
322011112002120120001
42330212222010311
522440022003141
61241552511301
7141261453613
oct27446520465
98145076501
103164250421
1113841561a2
1274384b531
133b5732837
142203606b3
15137bdaa31
hexbc9aa135

3164250421 has 4 divisors (see below), whose sum is σ = 3165195244. Its totient is φ = 3163305600.

The previous prime is 3164250413. The next prime is 3164250431. The reversal of 3164250421 is 1240524613.

3164250421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240524613 = 3140016923.

It can be written as a sum of positive squares in 2 ways, for example, as 2863748196 + 300502225 = 53514^2 + 17335^2 .

It is a cyclic number.

It is not a de Polignac number, because 3164250421 - 23 = 3164250413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3164250421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3164250431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467370 + ... + 474091.

It is an arithmetic number, because the mean of its divisors is an integer number (791298811).

Almost surely, 23164250421 is an apocalyptic number.

It is an amenable number.

3164250421 is a deficient number, since it is larger than the sum of its proper divisors (944823).

3164250421 is an equidigital number, since it uses as much as digits as its factorization.

3164250421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944822.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3164250421 is about 56251.6703840873. The cubic root of 3164250421 is about 1468.1044289950.

The spelling of 3164250421 in words is "three billion, one hundred sixty-four million, two hundred fifty thousand, four hundred twenty-one".

Divisors: 1 3361 941461 3164250421