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38163040 = 255238519
BaseRepresentation
bin1001000110010…
…1001001100000
32122210212211221
42101211021200
534232204130
63441544424
7642244336
oct221451140
978725757
1038163040
111a5a6503
1210945114
137ba26a6
1450d5b56
15353c87a
hex2465260

38163040 has 24 divisors (see below), whose sum is σ = 90160560. Its totient is φ = 15265152.

The previous prime is 38163031. The next prime is 38163061. The reversal of 38163040 is 4036183.

It is a junction number, because it is equal to n+sod(n) for n = 38162996 and 38163014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119100 + ... + 119419.

It is an arithmetic number, because the mean of its divisors is an integer number (3756690).

Almost surely, 238163040 is an apocalyptic number.

It is an amenable number.

38163040 is an abundant number, since it is smaller than the sum of its proper divisors (51997520).

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

38163040 is a wasteful number, since it uses less digits than its factorization.

38163040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238534 (or 238526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 38163040 is about 6177.6241387770. The cubic root of 38163040 is about 336.6776761205.

The spelling of 38163040 in words is "thirty-eight million, one hundred sixty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 238519 477038 954076 1192595 1908152 2385190 3816304 4770380 7632608 9540760 19081520 38163040