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2420438 = 21796761
BaseRepresentation
bin1001001110111011010110
311112222012212
421032323112
51104423223
6123513422
726400446
oct11167326
94488185
102420438
111403569
12988872
13669917
14470126
1532c278
hex24eed6

2420438 has 8 divisors (see below), whose sum is σ = 3651480. Its totient is φ = 1203280.

The previous prime is 2420423. The next prime is 2420459. The reversal of 2420438 is 8340242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×24204382 = 11717040223688, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (456435).

22420438 is an apocalyptic number.

2420438 is a deficient number, since it is larger than the sum of its proper divisors (1231042).

2420438 is a wasteful number, since it uses less digits than its factorization.

2420438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2420438 is about 1555.7756907729. The cubic root of 2420438 is about 134.2655682339.

It can be divided in two parts, 24204 and 38, that added together give a palindrome (24242).

The spelling of 2420438 in words is "two million, four hundred twenty thousand, four hundred thirty-eight".

Divisors: 1 2 179 358 6761 13522 1210219 2420438