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938424042 = 23453109297
BaseRepresentation
bin110111111011110…
…011011011101010
32102101210212210000
4313323303123222
53410214032132
6233041403430
732153321103
oct6773633352
92371725700
10938424042
11441796966
12222339576
1311c55aaca
148c8bd3aa
15575bb87c
hex37ef36ea

938424042 has 40 divisors (see below), whose sum is σ = 2142459396. Its totient is φ = 306903168.

The previous prime is 938424037. The next prime is 938424049. The reversal of 938424042 is 240424839.

It can be written as a sum of positive squares in 2 ways, for example, as 920454921 + 17969121 = 30339^2 + 4239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 938423988 and 938424006.

It is not an unprimeable number, because it can be changed into a prime (938424049) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46063 + ... + 63234.

Almost surely, 2938424042 is an apocalyptic number.

938424042 is an abundant number, since it is smaller than the sum of its proper divisors (1204035354).

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

938424042 is a wasteful number, since it uses less digits than its factorization.

938424042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109364 (or 109355 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 938424042 is about 30633.7076110614. The cubic root of 938424042 is about 979.0383604479.

The spelling of 938424042 in words is "nine hundred thirty-eight million, four hundred twenty-four thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 53 54 81 106 159 162 318 477 954 1431 2862 4293 8586 109297 218594 327891 655782 983673 1967346 2951019 5792741 5902038 8853057 11585482 17378223 17706114 34756446 52134669 104269338 156404007 312808014 469212021 938424042