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240933081 = 3199443911
BaseRepresentation
bin11100101110001…
…01100011011001
3121210100200001110
432113011203121
5443134324311
635524010533
75653616544
oct1627054331
9553320043
10240933081
11114000654
1268830a49
133abb976c
1423dd985b
15162428a6
hexe5c58d9

240933081 has 16 divisors (see below), whose sum is σ = 323942400. Its totient is φ = 159279120.

The previous prime is 240933067. The next prime is 240933101. The reversal of 240933081 is 180339042.

It is not a de Polignac number, because 240933081 - 210 = 240932057 is a prime.

It is a super-2 number, since 2×2409330812 = 116097499040305122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240933001) 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, 264016 + ... + 264926.

It is an arithmetic number, because the mean of its divisors is an integer number (20246400).

Almost surely, 2240933081 is an apocalyptic number.

It is an amenable number.

240933081 is a deficient number, since it is larger than the sum of its proper divisors (83009319).

240933081 is a wasteful number, since it uses less digits than its factorization.

240933081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 240933081 is about 15522.0192307573. The cubic root of 240933081 is about 622.2508207389.

The spelling of 240933081 in words is "two hundred forty million, nine hundred thirty-three thousand, eighty-one".

Divisors: 1 3 199 443 597 911 1329 2733 88157 181289 264471 403573 543867 1210719 80311027 240933081