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4672869 = 31557623
BaseRepresentation
bin10001110100110101100101
322210101222020
4101310311211
52144012434
6244053353
754501345
oct21646545
98711866
104672869
112701883
121694259
13c77c16
14898d25
15624849
hex474d65

4672869 has 4 divisors (see below), whose sum is σ = 6230496. Its totient is φ = 3115244.

The previous prime is 4672823. The next prime is 4672873. The reversal of 4672869 is 9682764.

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 4672869 - 29 = 4672357 is a prime.

It is a super-2 number, since 2×46728692 = 43671409382322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4672869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4672469) 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, 778809 + ... + 778814.

It is an arithmetic number, because the mean of its divisors is an integer number (1557624).

Almost surely, 24672869 is an apocalyptic number.

It is an amenable number.

4672869 is a deficient number, since it is larger than the sum of its proper divisors (1557627).

4672869 is a wasteful number, since it uses less digits than its factorization.

4672869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557626.

The product of its digits is 145152, while the sum is 42.

The square root of 4672869 is about 2161.6819840115. The cubic root of 4672869 is about 167.1839320693.

The spelling of 4672869 in words is "four million, six hundred seventy-two thousand, eight hundred sixty-nine".

Divisors: 1 3 1557623 4672869