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3000642 = 23500107
BaseRepresentation
bin1011011100100101000010
312122110002220
423130211002
51232010032
6144151510
734335141
oct13344502
95573086
103000642
11176a477
121008596
13810a38
14581758
153e412c
hex2dc942

3000642 has 8 divisors (see below), whose sum is σ = 6001296. Its totient is φ = 1000212.

The previous prime is 3000637. The next prime is 3000643. The reversal of 3000642 is 2460003.

It is a sphenic number, since it is the product of 3 distinct primes.

3000642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3000643) 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, 250048 + ... + 250059.

It is an arithmetic number, because the mean of its divisors is an integer number (750162).

Almost surely, 23000642 is an apocalyptic number.

3000642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3000642 is a wasteful number, since it uses less digits than its factorization.

3000642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500112.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3000642 is about 1732.2361270912. The cubic root of 3000642 is about 144.2352443439.

Adding to 3000642 its reverse (2460003), we get a palindrome (5460645).

The spelling of 3000642 in words is "three million, six hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 500107 1000214 1500321 3000642