Search a number
-
+
3498690 = 235138971
BaseRepresentation
bin1101010110001011000010
320120202022010
431112023002
51343424230
6202553350
741511156
oct15261302
96522263
103498690
111a7a688
121208856
13956640
14671066
154919b0
hex3562c2

3498690 has 32 divisors (see below), whose sum is σ = 9043776. Its totient is φ = 861120.

The previous prime is 3498661. The next prime is 3498697. The reversal of 3498690 is 968943.

It is a super-2 number, since 2×34986902 = 24481663432200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3498697) 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, 4096 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (282618).

Almost surely, 23498690 is an apocalyptic number.

3498690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3498690 is an abundant number, since it is smaller than the sum of its proper divisors (5545086).

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

3498690 is a wasteful number, since it uses less digits than its factorization.

3498690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3498690 is about 1870.4785483934. The cubic root of 3498690 is about 151.8105036988.

The spelling of 3498690 in words is "three million, four hundred ninety-eight thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 8971 17942 26913 44855 53826 89710 116623 134565 233246 269130 349869 583115 699738 1166230 1749345 3498690