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2420420444 = 221346546547
BaseRepresentation
bin1001000001000100…
…1010111101011100
320020200110002122122
42100101022331130
514424111423234
61040102002112
7113660143241
oct22021127534
96220402578
102420420444
11103229a782
12576716338
132c75b8560
1418d6575c8
15e275b92e
hex9044af5c

2420420444 has 12 divisors (see below), whose sum is σ = 4561561704. Its totient is φ = 1117117104.

The previous prime is 2420420437. The next prime is 2420420461. The reversal of 2420420444 is 4440240242.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23273222 + ... + 23273325.

It is an arithmetic number, because the mean of its divisors is an integer number (380130142).

Almost surely, 22420420444 is an apocalyptic number.

It is an amenable number.

2420420444 is a deficient number, since it is larger than the sum of its proper divisors (2141141260).

2420420444 is a wasteful number, since it uses less digits than its factorization.

2420420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46546564 (or 46546562 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2420420444 is about 49197.7686892404. The cubic root of 2420420444 is about 1342.6524361329.

Adding to 2420420444 its reverse (4440240242), we get a palindrome (6860660686).

The spelling of 2420420444 in words is "two billion, four hundred twenty million, four hundred twenty thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 46546547 93093094 186186188 605105111 1210210222 2420420444