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10240838 = 25120419
BaseRepresentation
bin100111000100…
…001101000110
3201021021210022
4213010031012
510110201323
61003255142
7153021446
oct47041506
921237708
1010240838
115865103
12351a4b2
13217738a
141508126
15d744c8
hex9c4346

10240838 has 4 divisors (see below), whose sum is σ = 15361260. Its totient is φ = 5120418.

The previous prime is 10240793. The next prime is 10240861. The reversal of 10240838 is 83804201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83804201 = 136446477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560208 + ... + 2560211.

It is an arithmetic number, because the mean of its divisors is an integer number (3840315).

Almost surely, 210240838 is an apocalyptic number.

10240838 is a deficient number, since it is larger than the sum of its proper divisors (5120422).

10240838 is an equidigital number, since it uses as much as digits as its factorization.

10240838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120421.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 10240838 is about 3200.1309348213. The cubic root of 10240838 is about 217.1593328170.

The spelling of 10240838 in words is "ten million, two hundred forty thousand, eight hundred thirty-eight".

Divisors: 1 2 5120419 10240838