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10145730 = 235748313
BaseRepresentation
bin100110101100…
…111111000010
3201002110022210
4212230333002
510044130410
61001242550
7152144250
oct46547702
921073283
1010145730
1157aa701
123493456
132142cba
1414c15d0
15d56220
hex9acfc2

10145730 has 32 divisors (see below), whose sum is σ = 27828864. Its totient is φ = 2318976.

The previous prime is 10145717. The next prime is 10145747. The reversal of 10145730 is 3754101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 10145697 and 10145706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23947 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (869652).

Almost surely, 210145730 is an apocalyptic number.

10145730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10145730 is an abundant number, since it is smaller than the sum of its proper divisors (17683134).

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

10145730 is a wasteful number, since it uses less digits than its factorization.

10145730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48330.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10145730 is about 3185.2362549739. The cubic root of 10145730 is about 216.4849785210.

Adding to 10145730 its reverse (3754101), we get a palindrome (13899831).

The spelling of 10145730 in words is "ten million, one hundred forty-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 48313 96626 144939 241565 289878 338191 483130 676382 724695 1014573 1449390 1690955 2029146 3381910 5072865 10145730