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10520378 = 211478199
BaseRepresentation
bin101000001000…
…011100111010
3201210111020122
4220020130322
510143123003
61013253242
7155264441
oct50103472
921714218
1010520378
115a36130
123634222
13224469b
14157bd58
15dcc238
hexa0873a

10520378 has 8 divisors (see below), whose sum is σ = 17215200. Its totient is φ = 4781980.

The previous prime is 10520371. The next prime is 10520383. The reversal of 10520378 is 87302501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105203782 = 221356706525768, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10520371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239078 + ... + 239121.

It is an arithmetic number, because the mean of its divisors is an integer number (2151900).

Almost surely, 210520378 is an apocalyptic number.

10520378 is a deficient number, since it is larger than the sum of its proper divisors (6694822).

10520378 is a wasteful number, since it uses less digits than its factorization.

10520378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478212.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 10520378 is about 3243.5132187182. The cubic root of 10520378 is about 219.1175255154.

Adding to 10520378 its reverse (87302501), we get a palindrome (97822879).

The spelling of 10520378 in words is "ten million, five hundred twenty thousand, three hundred seventy-eight".

Divisors: 1 2 11 22 478199 956398 5260189 10520378