Search a number
-
+
4629381 = 31543127
BaseRepresentation
bin10001101010001110000101
322201012022120
4101222032011
52141120011
6243120153
754230511
oct21521605
98635276
104629381
112682139
121673059
13c611a3
14887141
15616a06
hex46a385

4629381 has 4 divisors (see below), whose sum is σ = 6172512. Its totient is φ = 3086252.

The previous prime is 4629379. The next prime is 4629397. The reversal of 4629381 is 1839264.

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 not a de Polignac number, because 4629381 - 21 = 4629379 is a prime.

It is a super-2 number, since 2×46293812 = 42862336886322, which contains 22 as substring.

It is a D-number.

4629381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629311) 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, 771561 + ... + 771566.

It is an arithmetic number, because the mean of its divisors is an integer number (1543128).

Almost surely, 24629381 is an apocalyptic number.

It is an amenable number.

4629381 is a deficient number, since it is larger than the sum of its proper divisors (1543131).

4629381 is a wasteful number, since it uses less digits than its factorization.

4629381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543130.

The product of its digits is 10368, while the sum is 33.

The square root of 4629381 is about 2151.5996374791. The cubic root of 4629381 is about 166.6636830577.

The spelling of 4629381 in words is "four million, six hundred twenty-nine thousand, three hundred eighty-one".

Divisors: 1 3 1543127 4629381