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38930470 = 2529134243
BaseRepresentation
bin1001010010000…
…0100000100110
32201020212120021
42110200200212
534431233340
63510225354
7651621625
oct224404046
981225507
1038930470
111aa80047
121105525a
1380b0aa7
1452556bc
15363ee4a
hex2520826

38930470 has 16 divisors (see below), whose sum is σ = 72491760. Its totient is φ = 15035104.

The previous prime is 38930447. The next prime is 38930473. The reversal of 38930470 is 7403983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38930473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66832 + ... + 67411.

It is an arithmetic number, because the mean of its divisors is an integer number (4530735).

Almost surely, 238930470 is an apocalyptic number.

38930470 is a deficient number, since it is larger than the sum of its proper divisors (33561290).

38930470 is a wasteful number, since it uses less digits than its factorization.

38930470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134279.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 38930470 is about 6239.4286597412. The cubic root of 38930470 is about 338.9194937075.

The spelling of 38930470 in words is "thirty-eight million, nine hundred thirty thousand, four hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 134243 268486 671215 1342430 3893047 7786094 19465235 38930470