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4212642 = 237195279
BaseRepresentation
bin10000000100011110100010
321221000122210
4100010132202
52034301032
6230142550
750543520
oct20043642
97830583
104212642
112418025
1214b1a56
13b465b5
147b9310
155832cc
hex4047a2

4212642 has 32 divisors (see below), whose sum is σ = 10137600. Its totient is φ = 1140048.

The previous prime is 4212641. The next prime is 4212647. The reversal of 4212642 is 2462124.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4212641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (316800).

Almost surely, 24212642 is an apocalyptic number.

4212642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4212642 is an abundant number, since it is smaller than the sum of its proper divisors (5924958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4212642 is a wasteful number, since it uses less digits than its factorization.

4212642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310.

The product of its digits is 768, while the sum is 21.

The square root of 4212642 is about 2052.4721678990. The cubic root of 4212642 is about 161.5045831274.

Adding to 4212642 its reverse (2462124), we get a palindrome (6674766).

The spelling of 4212642 in words is "four million, two hundred twelve thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 5279 10558 15837 31674 36953 73906 100301 110859 200602 221718 300903 601806 702107 1404214 2106321 4212642