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10505650 = 252210113
BaseRepresentation
bin101000000100…
…110110110010
3201202202001011
4220010312302
510142140100
61013101134
7155203501
oct50046662
921682034
1010505650
115a26061
1236277aa
13223aa7c
141576838
15dc7bba
hexa04db2

10505650 has 12 divisors (see below), whose sum is σ = 19540602. Its totient is φ = 4202240.

The previous prime is 10505647. The next prime is 10505653. The reversal of 10505650 is 5650501.

It is an interprime number because it is at equal distance from previous prime (10505647) and next prime (10505653).

It can be written as a sum of positive squares in 3 ways, for example, as 9235521 + 1270129 = 3039^2 + 1127^2 .

It is a super-2 number, since 2×105056502 = 220737363845000, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10505653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105007 + ... + 105106.

Almost surely, 210505650 is an apocalyptic number.

10505650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505650 is a deficient number, since it is larger than the sum of its proper divisors (9034952).

10505650 is a wasteful number, since it uses less digits than its factorization.

10505650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210125 (or 210120 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 10505650 is about 3241.2420458830. The cubic root of 10505650 is about 219.0152265915.

The spelling of 10505650 in words is "ten million, five hundred five thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 210113 420226 1050565 2101130 5252825 10505650