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4212884 = 221381017
BaseRepresentation
bin10000000100100010010100
321221000222202
4100010202110
52034303014
6230144032
750544314
oct20044224
97830882
104212884
112418225
1214b2018
13b46740
147b9444
155833de
hex404894

4212884 has 12 divisors (see below), whose sum is σ = 7939764. Its totient is φ = 1944384.

The previous prime is 4212883. The next prime is 4212907. The reversal of 4212884 is 4882124.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 1562500 = 1628^2 + 1250^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212881) 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, 40457 + ... + 40560.

It is an arithmetic number, because the mean of its divisors is an integer number (661647).

Almost surely, 24212884 is an apocalyptic number.

It is an amenable number.

4212884 is a deficient number, since it is larger than the sum of its proper divisors (3726880).

4212884 is a wasteful number, since it uses less digits than its factorization.

4212884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81034 (or 81032 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 4212884 is about 2052.5311203487. The cubic root of 4212884 is about 161.5076756729.

The spelling of 4212884 in words is "four million, two hundred twelve thousand, eight hundred eighty-four".

Divisors: 1 2 4 13 26 52 81017 162034 324068 1053221 2106442 4212884