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3008145 = 35728649
BaseRepresentation
bin1011011110011010010001
312122211101210
423132122101
51232230040
6144250333
734366050
oct13363221
95584353
103008145
111775078
1210109a9
1381428a
14584397
153e6480
hex2de691

3008145 has 16 divisors (see below), whose sum is σ = 5500800. Its totient is φ = 1375104.

The previous prime is 3008119. The next prime is 3008149. The reversal of 3008145 is 5418003.

It is not a de Polignac number, because 3008145 - 25 = 3008113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3008149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14220 + ... + 14429.

It is an arithmetic number, because the mean of its divisors is an integer number (343800).

Almost surely, 23008145 is an apocalyptic number.

3008145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3008145 is a deficient number, since it is larger than the sum of its proper divisors (2492655).

3008145 is a wasteful number, since it uses less digits than its factorization.

3008145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28664.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3008145 is about 1734.4004727859. The cubic root of 3008145 is about 144.3553626709.

The spelling of 3008145 in words is "three million, eight thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 28649 85947 143245 200543 429735 601629 1002715 3008145