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38701285 = 571577043
BaseRepresentation
bin1001001110100…
…0100011100101
32200211020011221
42103220203211
534401420120
63501300341
7646645510
oct223504345
980736157
1038701285
111a933937
1210b646b1
13803068c
1451d5d77
1535e70aa
hex24e88e5

38701285 has 16 divisors (see below), whose sum is σ = 53421696. Its totient is φ = 26365248.

The previous prime is 38701279. The next prime is 38701301. The reversal of 38701285 is 58210783.

It is not a de Polignac number, because 38701285 - 211 = 38699237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38701285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (3338856).

Almost surely, 238701285 is an apocalyptic number.

38701285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38701285 is a deficient number, since it is larger than the sum of its proper divisors (14720411).

38701285 is a wasteful number, since it uses less digits than its factorization.

38701285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 38701285 is about 6221.0356854787. The cubic root of 38701285 is about 338.2531074528.

The spelling of 38701285 in words is "thirty-eight million, seven hundred one thousand, two hundred eighty-five".

Divisors: 1 5 7 35 157 785 1099 5495 7043 35215 49301 246505 1105751 5528755 7740257 38701285