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38421650 = 2527179137
BaseRepresentation
bin1001001010010…
…0010010010010
32200022000121002
42102210102102
534313443100
63451302002
7644402321
oct222442222
980260532
1038421650
111a762833
1210a4a902
137c63307
1451620b8
15358e2d5
hex24a4492

38421650 has 48 divisors (see below), whose sum is σ = 73923840. Its totient is φ = 14851200.

The previous prime is 38421641. The next prime is 38421653. The reversal of 38421650 is 5612483.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (38421653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280382 + ... + 280518.

It is an arithmetic number, because the mean of its divisors is an integer number (1540080).

Almost surely, 238421650 is an apocalyptic number.

38421650 is a deficient number, since it is larger than the sum of its proper divisors (35502190).

38421650 is a wasteful number, since it uses less digits than its factorization.

38421650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 38421650 is about 6198.5199846415. The cubic root of 38421650 is about 337.4364580879.

The spelling of 38421650 in words is "thirty-eight million, four hundred twenty-one thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 71 79 137 142 158 274 355 395 685 710 790 1370 1775 1975 3425 3550 3950 5609 6850 9727 10823 11218 19454 21646 28045 48635 54115 56090 97270 108230 140225 243175 270575 280450 486350 541150 768433 1536866 3842165 7684330 19210825 38421650