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2420742 = 233131289
BaseRepresentation
bin1001001111000000000110
311112222122010
421033000012
51104430432
6123515050
726401362
oct11170006
94488563
102420742
111403815
12988a86
13669abc
144702a2
1532c3cc
hex24f006

2420742 has 16 divisors (see below), whose sum is σ = 4860720. Its totient is φ = 803712.

The previous prime is 2420723. The next prime is 2420767. The reversal of 2420742 is 2470242.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (303795).

22420742 is an apocalyptic number.

2420742 is an abundant number, since it is smaller than the sum of its proper divisors (2439978).

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

2420742 is a wasteful number, since it uses less digits than its factorization.

2420742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2420742 is about 1555.8733881650. The cubic root of 2420742 is about 134.2711891207.

Adding to 2420742 its reverse (2470242), we get a palindrome (4890984).

The spelling of 2420742 in words is "two million, four hundred twenty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 313 626 939 1289 1878 2578 3867 7734 403457 806914 1210371 2420742