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3418681 = 739967
BaseRepresentation
bin1101000010101000111001
320102200112211
431002220321
51333344211
6201135121
741026000
oct15025071
96380484
103418681
111a25562
12118a4a1
139290b6
1464dc37
15477e21
hex342a39

3418681 has 8 divisors (see below), whose sum is σ = 3987200. Its totient is φ = 2930004.

The previous prime is 3418669. The next prime is 3418693. The reversal of 3418681 is 1868143.

It is an interprime number because it is at equal distance from previous prime (3418669) and next prime (3418693).

It is a de Polignac number, because none of the positive numbers 2k-3418681 is a prime.

It is a super-2 number, since 2×34186812 = 23374759559522, which contains 22 as substring.

3418681 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3418601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4641 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (498400).

Almost surely, 23418681 is an apocalyptic number.

It is an amenable number.

3418681 is a deficient number, since it is larger than the sum of its proper divisors (568519).

3418681 is an frugal number, since it uses more digits than its factorization.

3418681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988 (or 9974 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 3418681 is about 1848.9675497423. The cubic root of 3418681 is about 150.6443540152.

The spelling of 3418681 in words is "three million, four hundred eighteen thousand, six hundred eighty-one".

Divisors: 1 7 49 343 9967 69769 488383 3418681