Search a number
-
+
32750730 = 234540433
BaseRepresentation
bin111110011101…
…1110010001010
32021121220120000
41330323302022
531341010410
63125543430
7545243115
oct174736212
967556500
1032750730
111753a121
12ab74b76
136a2903c
1444c757c
152d1ddc0
hex1f3bc8a

32750730 has 40 divisors (see below), whose sum is σ = 88065252. Its totient is φ = 8733312.

The previous prime is 32750719. The next prime is 32750743. The reversal of 32750730 is 3705723.

It can be written as a sum of positive squares in 2 ways, for example, as 30437289 + 2313441 = 5517^2 + 1521^2 .

It is a super-2 number, since 2×327507302 = 2145220631065800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 32750694 and 32750703.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19407 + ... + 21026.

Almost surely, 232750730 is an apocalyptic number.

32750730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32750730 is an abundant number, since it is smaller than the sum of its proper divisors (55314522).

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

32750730 is a wasteful number, since it uses less digits than its factorization.

32750730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40452 (or 40443 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 32750730 is about 5722.8253511705. The cubic root of 32750730 is about 319.9437726729.

The spelling of 32750730 in words is "thirty-two million, seven hundred fifty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 40433 80866 121299 202165 242598 363897 404330 606495 727794 1091691 1212990 1819485 2183382 3275073 3638970 5458455 6550146 10916910 16375365 32750730