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3000146 = 21500073
BaseRepresentation
bin1011011100011101010010
312122102102112
423130131102
51232001041
6144145322
734333532
oct13343522
95572375
103000146
11176a066
121008242
13810746
145814c2
153e3deb
hex2dc752

3000146 has 4 divisors (see below), whose sum is σ = 4500222. Its totient is φ = 1500072.

The previous prime is 3000133. The next prime is 3000161. The reversal of 3000146 is 6410003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6410003 = 17377059.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 261121 = 1655^2 + 511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3000146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750035 + ... + 750038.

Almost surely, 23000146 is an apocalyptic number.

3000146 is a deficient number, since it is larger than the sum of its proper divisors (1500076).

3000146 is a wasteful number, since it uses less digits than its factorization.

3000146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500075.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3000146 is about 1732.0929536258. The cubic root of 3000146 is about 144.2272966421.

Adding to 3000146 its reverse (6410003), we get a palindrome (9410149).

The spelling of 3000146 in words is "three million, one hundred forty-six", and thus it is an aban number.

Divisors: 1 2 1500073 3000146