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10387242 = 232577069
BaseRepresentation
bin100111100111…
…111100101010
3201112201121200
4213213330222
510124342432
61010345030
7154201335
oct47477452
921481550
1010387242
1159550a8
12358b176
1321c8bc8
14154561c
15da2a7c
hex9e7f2a

10387242 has 12 divisors (see below), whose sum is σ = 22505730. Its totient is φ = 3462408.

The previous prime is 10387231. The next prime is 10387261. The reversal of 10387242 is 24278301.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 25281 = 3219^2 + 159^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288517 + ... + 288552.

Almost surely, 210387242 is an apocalyptic number.

10387242 is an abundant number, since it is smaller than the sum of its proper divisors (12118488).

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

10387242 is a wasteful number, since it uses less digits than its factorization.

10387242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577077 (or 577074 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 10387242 is about 3222.9244483853. The cubic root of 10387242 is about 218.1892837408.

The spelling of 10387242 in words is "ten million, three hundred eighty-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 577069 1154138 1731207 3462414 5193621 10387242