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10239144 = 233426631
BaseRepresentation
bin100111000011…
…110010101000
3201021012110120
4213003302220
510110123034
61003243240
7153013506
oct47036250
921235416
1010239144
115863903
123519520
132176686
141507676
15d73c49
hex9c3ca8

10239144 has 16 divisors (see below), whose sum is σ = 25597920. Its totient is φ = 3413040.

The previous prime is 10239143. The next prime is 10239161. The reversal of 10239144 is 44193201.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 426631 = 10239144 / (1 + 0 + 2 + 3 + 9 + 1 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (10239143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213292 + ... + 213339.

It is an arithmetic number, because the mean of its divisors is an integer number (1599870).

Almost surely, 210239144 is an apocalyptic number.

It is an amenable number.

10239144 is an abundant number, since it is smaller than the sum of its proper divisors (15358776).

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

10239144 is a wasteful number, since it uses less digits than its factorization.

10239144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426640 (or 426636 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10239144 is about 3199.8662472047. The cubic root of 10239144 is about 217.1473582697.

The spelling of 10239144 in words is "ten million, two hundred thirty-nine thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 426631 853262 1279893 1706524 2559786 3413048 5119572 10239144