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38470642 = 272747903
BaseRepresentation
bin1001001011000…
…0001111110010
32200101111210121
42102300033302
534322030032
63452320454
7644665210
oct222601762
980344717
1038470642
111a796621
1210a7312a
137c7c6c2
145175cb0
15359da97
hex24b03f2

38470642 has 8 divisors (see below), whose sum is σ = 65949696. Its totient is φ = 16487412.

The previous prime is 38470637. The next prime is 38470657. The reversal of 38470642 is 24607483.

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 = 38470598 and 38470607.

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, 1373938 + ... + 1373965.

It is an arithmetic number, because the mean of its divisors is an integer number (8243712).

Almost surely, 238470642 is an apocalyptic number.

38470642 is a deficient number, since it is larger than the sum of its proper divisors (27479054).

38470642 is a wasteful number, since it uses less digits than its factorization.

38470642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747912.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 38470642 is about 6202.4706367705. The cubic root of 38470642 is about 337.5798205353.

The spelling of 38470642 in words is "thirty-eight million, four hundred seventy thousand, six hundred forty-two".

Divisors: 1 2 7 14 2747903 5495806 19235321 38470642