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38053860 = 22351348787
BaseRepresentation
bin1001000100101…
…0011111100100
32122121100002020
42101022133210
534220210420
63435343140
7641311125
oct221123744
978540066
1038053860
111a531479
12108b1ab0
137b64aa0
1450a804c
15351a340
hex244a7e4

38053860 has 48 divisors (see below), whose sum is σ = 114749376. Its totient is φ = 9366912.

The previous prime is 38053853. The next prime is 38053861. The reversal of 38053860 is 6835083.

It is not an unprimeable number, because it can be changed into a prime (38053861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23614 + ... + 25173.

It is an arithmetic number, because the mean of its divisors is an integer number (2390612).

Almost surely, 238053860 is an apocalyptic number.

38053860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38053860 is an abundant number, since it is smaller than the sum of its proper divisors (76695516).

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

38053860 is a wasteful number, since it uses less digits than its factorization.

38053860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48812 (or 48810 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 38053860 is about 6168.7810789491. The cubic root of 38053860 is about 336.3563042871.

The spelling of 38053860 in words is "thirty-eight million, fifty-three thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 48787 97574 146361 195148 243935 292722 487870 585444 634231 731805 975740 1268462 1463610 1902693 2536924 2927220 3171155 3805386 6342310 7610772 9513465 12684620 19026930 38053860