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38542030 = 253854203
BaseRepresentation
bin1001001100000…
…1101011001110
32200112010201121
42103001223032
534331321110
63454031154
7645413302
oct223015316
980463647
1038542030
111a83521a
1210aa84ba
137ca6047
145193d02
1535b4cda
hex24c1ace

38542030 has 8 divisors (see below), whose sum is σ = 69375672. Its totient is φ = 15416808.

The previous prime is 38542001. The next prime is 38542039. The reversal of 38542030 is 3024583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38541986 and 38542004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38542039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927092 + ... + 1927111.

It is an arithmetic number, because the mean of its divisors is an integer number (8671959).

Almost surely, 238542030 is an apocalyptic number.

38542030 is a deficient number, since it is larger than the sum of its proper divisors (30833642).

38542030 is a wasteful number, since it uses less digits than its factorization.

38542030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854210.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 38542030 is about 6208.2227730648. Note that the first 3 decimals coincide. The cubic root of 38542030 is about 337.7885013700.

The spelling of 38542030 in words is "thirty-eight million, five hundred forty-two thousand, thirty".

Divisors: 1 2 5 10 3854203 7708406 19271015 38542030