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10507530 = 23511171873
BaseRepresentation
bin101000000101…
…010100001010
3201202211121210
4220011110022
510142220110
61013113550
7155212125
oct50052412
921684553
1010507530
115a27510
1236288b6
13223b897
1415773bc
15dc8520
hexa0550a

10507530 has 64 divisors (see below), whose sum is σ = 29144448. Its totient is φ = 2396160.

The previous prime is 10507529. The next prime is 10507559. The reversal of 10507530 is 3570501.

It is a happy number.

10507530 is nontrivially palindromic in base 4 and base 16.

It is a super-3 number, since 3×105075303 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 10507497 and 10507506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4674 + ... + 6546.

It is an arithmetic number, because the mean of its divisors is an integer number (455382).

Almost surely, 210507530 is an apocalyptic number.

10507530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10507530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14572224).

10507530 is an abundant number, since it is smaller than the sum of its proper divisors (18636918).

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

10507530 is a wasteful number, since it uses less digits than its factorization.

10507530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 10507530 is about 3241.5320451910. The cubic root of 10507530 is about 219.0282901674.

The spelling of 10507530 in words is "ten million, five hundred seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 1873 2805 3746 5610 5619 9365 11238 18730 20603 28095 31841 41206 56190 61809 63682 95523 103015 123618 159205 191046 206030 309045 318410 350251 477615 618090 700502 955230 1050753 1751255 2101506 3502510 5253765 10507530