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40055933 = 1910611987
BaseRepresentation
bin1001100011001…
…1010001111101
32210101001102002
42120303101331
540223242213
63550312045
7664320101
oct230632175
983331362
1040055933
1120679685
12114b8625
1383b6148
145469901
1537b3658
hex263347d

40055933 has 8 divisors (see below), whose sum is σ = 42225120. Its totient is φ = 37892880.

The previous prime is 40055909. The next prime is 40055957. The reversal of 40055933 is 33955004.

It is an interprime number because it is at equal distance from previous prime (40055909) and next prime (40055957).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40055933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40055896 and 40055905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055633) 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, 19166 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (5278140).

Almost surely, 240055933 is an apocalyptic number.

It is an amenable number.

40055933 is a deficient number, since it is larger than the sum of its proper divisors (2169187).

40055933 is a wasteful number, since it uses less digits than its factorization.

40055933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 40055933 is about 6328.9756675152. The cubic root of 40055933 is about 342.1545218999.

The spelling of 40055933 in words is "forty million, fifty-five thousand, nine hundred thirty-three".

Divisors: 1 19 1061 1987 20159 37753 2108207 40055933