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33098040 = 2332591939
BaseRepresentation
bin111111001000…
…0100100111000
32022021112222100
41332100210320
531433114130
63141223400
7551220513
oct176204470
968245870
1033098040
1117757058
12b101b60
136b1b151
144577d7a
152d8bc60
hex1f90938

33098040 has 48 divisors (see below), whose sum is σ = 107569800. Its totient is φ = 8826048.

The previous prime is 33098033. The next prime is 33098041. The reversal of 33098040 is 4089033.

It is a junction number, because it is equal to n+sod(n) for n = 33097995 and 33098013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33098041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45610 + ... + 46329.

Almost surely, 233098040 is an apocalyptic number.

33098040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33098040 is an abundant number, since it is smaller than the sum of its proper divisors (74471760).

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

33098040 is a wasteful number, since it uses less digits than its factorization.

33098040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91956 (or 91949 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 33098040 is about 5753.0896047254. The cubic root of 33098040 is about 321.0707620515.

The spelling of 33098040 in words is "thirty-three million, ninety-eight thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 91939 183878 275817 367756 459695 551634 735512 827451 919390 1103268 1379085 1654902 1838780 2206536 2758170 3309804 3677560 4137255 5516340 6619608 8274510 11032680 16549020 33098040