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10520398 = 272107351
BaseRepresentation
bin101000001000…
…011101001110
3201210111021101
4220020131032
510143123043
61013253314
7155264500
oct50103516
921714241
1010520398
115a36149
12363423a
1322446b5
14157bd70
15dcc24d
hexa0874e

10520398 has 12 divisors (see below), whose sum is σ = 18357192. Its totient is φ = 4508700.

The previous prime is 10520383. The next prime is 10520401. The reversal of 10520398 is 89302501.

It is a super-2 number, since 2×105203982 = 221357548156808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53578 + ... + 53773.

It is an arithmetic number, because the mean of its divisors is an integer number (1529766).

Almost surely, 210520398 is an apocalyptic number.

10520398 is a deficient number, since it is larger than the sum of its proper divisors (7836794).

10520398 is a wasteful number, since it uses less digits than its factorization.

10520398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107367 (or 107360 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10520398 is about 3243.5163017935. The cubic root of 10520398 is about 219.1176643681.

Adding to 10520398 its reverse (89302501), we get a palindrome (99822899).

It can be divided in two parts, 105 and 20398, that added together give a triangular number (20503 = T202).

The spelling of 10520398 in words is "ten million, five hundred twenty thousand, three hundred ninety-eight".

Divisors: 1 2 7 14 49 98 107351 214702 751457 1502914 5260199 10520398