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10020940 = 225717057
BaseRepresentation
bin100110001110…
…100001001100
3200212010010221
4212032201030
510031132230
6554441124
7151114366
oct46164114
920763127
1010020940
115724976
1234331a4
1320cb267
14148bd36
15d2e27a
hex98e84c

10020940 has 24 divisors (see below), whose sum is σ = 21343392. Its totient is φ = 3951360.

The previous prime is 10020931. The next prime is 10020947. The reversal of 10020940 is 4902001.

It is not an unprimeable number, because it can be changed into a prime (10020947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 4948.

It is an arithmetic number, because the mean of its divisors is an integer number (889308).

Almost surely, 210020940 is an apocalyptic number.

10020940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020940 is an abundant number, since it is smaller than the sum of its proper divisors (11322452).

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

10020940 is a wasteful number, since it uses less digits than its factorization.

10020940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137 (or 7135 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10020940 is about 3165.5868334323. The cubic root of 10020940 is about 215.5937437016.

Adding to 10020940 its reverse (4902001), we get a palindrome (14922941).

The spelling of 10020940 in words is "ten million, twenty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 7057 14114 28228 35285 70570 141140 501047 1002094 2004188 2505235 5010470 10020940