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38420734 = 2111746397
BaseRepresentation
bin1001001010010…
…0000011111110
32200021222100011
42102210003332
534313430414
63451253434
7644366542
oct222440376
980258304
1038420734
111a762080
1210a4a27a
137c62a81
145161a22
15358ddc4
hex24a40fe

38420734 has 8 divisors (see below), whose sum is σ = 62870328. Its totient is φ = 17463960.

The previous prime is 38420719. The next prime is 38420771. The reversal of 38420734 is 43702483.

It is a happy number.

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 = 38420696 and 38420705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873177 + ... + 873220.

It is an arithmetic number, because the mean of its divisors is an integer number (7858791).

Almost surely, 238420734 is an apocalyptic number.

38420734 is a deficient number, since it is larger than the sum of its proper divisors (24449594).

38420734 is a wasteful number, since it uses less digits than its factorization.

38420734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746410.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 38420734 is about 6198.4460955953. The cubic root of 38420734 is about 337.4337764899.

The spelling of 38420734 in words is "thirty-eight million, four hundred twenty thousand, seven hundred thirty-four".

Divisors: 1 2 11 22 1746397 3492794 19210367 38420734