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38842012 = 2211882773
BaseRepresentation
bin1001010000101…
…0111010011100
32201002101020001
42110022322130
534420421022
63504304044
7651103006
oct224127234
981071201
1038842012
111aa1a640
1211012024
13807c751
145231376
153623b27
hex250ae9c

38842012 has 12 divisors (see below), whose sum is σ = 74153016. Its totient is φ = 17655440.

The previous prime is 38842007. The next prime is 38842019. The reversal of 38842012 is 21024883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38842019) 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, 441343 + ... + 441430.

It is an arithmetic number, because the mean of its divisors is an integer number (6179418).

Almost surely, 238842012 is an apocalyptic number.

It is an amenable number.

38842012 is a deficient number, since it is larger than the sum of its proper divisors (35311004).

38842012 is a wasteful number, since it uses less digits than its factorization.

38842012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882788 (or 882786 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 38842012 is about 6232.3359986445. The cubic root of 38842012 is about 338.6626008736.

Adding to 38842012 its reverse (21024883), we get a palindrome (59866895).

The spelling of 38842012 in words is "thirty-eight million, eight hundred forty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 882773 1765546 3531092 9710503 19421006 38842012