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10020377 = 37270821
BaseRepresentation
bin100110001110…
…011000011001
3200212002101002
4212032120121
510031123002
6554434345
7151112633
oct46163031
920762332
1010020377
115724504
1234329b5
1320cac23
14148ba53
15d2e002
hex98e619

10020377 has 4 divisors (see below), whose sum is σ = 10291236. Its totient is φ = 9749520.

The previous prime is 10020349. The next prime is 10020389. The reversal of 10020377 is 77302001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77302001 = 711043143.

It can be written as a sum of positive squares in 2 ways, for example, as 4734976 + 5285401 = 2176^2 + 2299^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020377 - 26 = 10020313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020397) by changing a digit.

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, 135374 + ... + 135447.

It is an arithmetic number, because the mean of its divisors is an integer number (2572809).

Almost surely, 210020377 is an apocalyptic number.

It is an amenable number.

10020377 is a deficient number, since it is larger than the sum of its proper divisors (270859).

10020377 is an equidigital number, since it uses as much as digits as its factorization.

10020377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270858.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 10020377 is about 3165.4979071230. The cubic root of 10020377 is about 215.5897061046.

Adding to 10020377 its reverse (77302001), we get a palindrome (87322378).

The spelling of 10020377 in words is "ten million, twenty thousand, three hundred seventy-seven".

Divisors: 1 37 270821 10020377