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2420022 = 231137991
BaseRepresentation
bin1001001110110100110110
311112221122110
421032310312
51104420042
6123511450
726366313
oct11166466
94487573
102420022
111403220
12988586
13669687
1446dd0a
1532c09c
hex24ed36

2420022 has 32 divisors (see below), whose sum is σ = 5428224. Its totient is φ = 712800.

The previous prime is 2420017. The next prime is 2420051. The reversal of 2420022 is 2200242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

22420022 is an apocalyptic number.

2420022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714112).

2420022 is an abundant number, since it is smaller than the sum of its proper divisors (3008202).

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

2420022 is a wasteful number, since it uses less digits than its factorization.

2420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2420022 is about 1555.6419896621. The cubic root of 2420022 is about 134.2578757313.

Adding to 2420022 its reverse (2200242), we get a palindrome (4620264).

It can be divided in two parts, 2 and 420022, that added together give a palindrome (420024).

The spelling of 2420022 in words is "two million, four hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 991 1221 1982 2442 2973 5946 10901 21802 32703 36667 65406 73334 110001 220002 403337 806674 1210011 2420022