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3389987 = 17199411
BaseRepresentation
bin1100111011101000100011
320101020012002
430323220203
51331434422
6200354215
740546226
oct14735043
96336162
103389987
111a05a47
12117596b
13919013
146435bd
1546e692
hex33ba23

3389987 has 4 divisors (see below), whose sum is σ = 3589416. Its totient is φ = 3190560.

The previous prime is 3389959. The next prime is 3389989. The reversal of 3389987 is 7899833.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3389987 - 210 = 3388963 is a prime.

It is a super-2 number, since 2×33899872 = 22984023720338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3389989) 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, 99689 + ... + 99722.

It is an arithmetic number, because the mean of its divisors is an integer number (897354).

Almost surely, 23389987 is an apocalyptic number.

3389987 is a deficient number, since it is larger than the sum of its proper divisors (199429).

3389987 is a wasteful number, since it uses less digits than its factorization.

3389987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199428.

The product of its digits is 326592, while the sum is 47.

The square root of 3389987 is about 1841.1917336334. The cubic root of 3389987 is about 150.2217017903.

The spelling of 3389987 in words is "three million, three hundred eighty-nine thousand, nine hundred eighty-seven".

Divisors: 1 17 199411 3389987