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38341820 = 22511174281
BaseRepresentation
bin1001001001000…
…0110010111100
32200010222002102
42102100302330
534303414240
63445444232
7643620506
oct222206274
980128072
1038341820
111a708860
1210a10678
137c35b8a
145140d76
153575815
hex2490cbc

38341820 has 24 divisors (see below), whose sum is σ = 87838128. Its totient is φ = 13942400.

The previous prime is 38341819. The next prime is 38341837. The reversal of 38341820 is 2814383.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86921 + ... + 87360.

It is an arithmetic number, because the mean of its divisors is an integer number (3659922).

Almost surely, 238341820 is an apocalyptic number.

It is an amenable number.

38341820 is an abundant number, since it is smaller than the sum of its proper divisors (49496308).

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

38341820 is a wasteful number, since it uses less digits than its factorization.

38341820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174301 (or 174299 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38341820 is about 6192.0771959012. The cubic root of 38341820 is about 337.2025948851.

The spelling of 38341820 in words is "thirty-eight million, three hundred forty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 174281 348562 697124 871405 1742810 1917091 3485620 3834182 7668364 9585455 19170910 38341820