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38042766 = 2323179863
BaseRepresentation
bin1001000100011…
…1110010001110
32122120202212100
42101013302032
534214332031
63435215530
7641233566
oct221076216
978522770
1038042766
111a524103
12108a75a6
137b5ca18
1450a3da6
153516de6
hex2447c8e

38042766 has 48 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 12102480.

The previous prime is 38042749. The next prime is 38042791. The reversal of 38042766 is 66724083.

38042766 is a `hidden beast` number, since 380 + 4 + 276 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 38042766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43651 + ... + 44513.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 238042766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38042766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43130880).

38042766 is an abundant number, since it is smaller than the sum of its proper divisors (48218994).

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

38042766 is a wasteful number, since it uses less digits than its factorization.

38042766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 38042766 is about 6167.8818082061. The cubic root of 38042766 is about 336.3236146597.

The spelling of 38042766 in words is "thirty-eight million, forty-two thousand, seven hundred sixty-six".

Divisors: 1 2 3 6 9 18 31 62 79 93 158 186 237 279 474 558 711 863 1422 1726 2449 2589 4898 5178 7347 7767 14694 15534 22041 26753 44082 53506 68177 80259 136354 160518 204531 240777 409062 481554 613593 1227186 2113487 4226974 6340461 12680922 19021383 38042766