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10022420 = 225501121
BaseRepresentation
bin100110001110…
…111000010100
3200212012011202
4212032320110
510031204140
6554452032
7151121612
oct46167024
920765152
1010022420
115725aa1
123434018
1320cbb35
14148c6b2
15d2e915
hex98ee14

10022420 has 12 divisors (see below), whose sum is σ = 21047124. Its totient is φ = 4008960.

The previous prime is 10022399. The next prime is 10022437. The reversal of 10022420 is 2422001.

It can be written as a sum of positive squares in 2 ways, for example, as 7246864 + 2775556 = 2692^2 + 1666^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250541 + ... + 250580.

It is an arithmetic number, because the mean of its divisors is an integer number (1753927).

Almost surely, 210022420 is an apocalyptic number.

10022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10022420 is an abundant number, since it is smaller than the sum of its proper divisors (11024704).

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

10022420 is a wasteful number, since it uses less digits than its factorization.

10022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501130 (or 501128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 10022420 is about 3165.8205887258. The cubic root of 10022420 is about 215.6043569120.

Adding to 10022420 its reverse (2422001), we get a palindrome (12444421).

The spelling of 10022420 in words is "ten million, twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 501121 1002242 2004484 2505605 5011210 10022420