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10144840 = 2352311027
BaseRepresentation
bin100110101100…
…110001001000
3201002102002211
4212230301020
510044113330
61001234504
7152141536
oct46546110
921072084
1010144840
1157a9a72
123492a34
132142784
1414c1156
15d55d2a
hex9acc48

10144840 has 32 divisors (see below), whose sum is σ = 23820480. Its totient is φ = 3881152.

The previous prime is 10144831. The next prime is 10144853. The reversal of 10144840 is 4844101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4594 + ... + 6433.

It is an arithmetic number, because the mean of its divisors is an integer number (744390).

Almost surely, 210144840 is an apocalyptic number.

10144840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10144840 is an abundant number, since it is smaller than the sum of its proper divisors (13675640).

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

10144840 is a wasteful number, since it uses less digits than its factorization.

10144840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061 (or 11057 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 10144840 is about 3185.0965448476. The cubic root of 10144840 is about 216.4786481973.

Adding to 10144840 its reverse (4844101), we get a palindrome (14988941).

The spelling of 10144840 in words is "ten million, one hundred forty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 11027 22054 44108 55135 88216 110270 220540 253621 441080 507242 1014484 1268105 2028968 2536210 5072420 10144840