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38905050 = 2352433599
BaseRepresentation
bin1001010001101…
…0010011011010
32201012120200210
42110122103122
534424430200
63505511550
7651454542
oct224322332
981176623
1038905050
111aa62a38
12110425b6
1380a2352
14524a322
153637650
hex251a4da

38905050 has 48 divisors (see below), whose sum is σ = 96868800. Its totient is φ = 10333440.

The previous prime is 38905033. The next prime is 38905063. The reversal of 38905050 is 5050983.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 38904999 and 38905017.

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, 64651 + ... + 65249.

It is an arithmetic number, because the mean of its divisors is an integer number (2018100).

Almost surely, 238905050 is an apocalyptic number.

38905050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38905050 is an abundant number, since it is smaller than the sum of its proper divisors (57963750).

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

38905050 is a wasteful number, since it uses less digits than its factorization.

38905050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 38905050 is about 6237.3912816177. The cubic root of 38905050 is about 338.8457108037.

The spelling of 38905050 in words is "thirty-eight million, nine hundred five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 433 599 866 1198 1299 1797 2165 2598 2995 3594 4330 5990 6495 8985 10825 12990 14975 17970 21650 29950 32475 44925 64950 89850 259367 518734 778101 1296835 1556202 2593670 3890505 6484175 7781010 12968350 19452525 38905050