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40238077 = 115369019
BaseRepresentation
bin1001100101111…
…1101111111101
32210201022021011
42121133233331
540300104302
63554235221
7666006115
oct231375775
983638234
1040238077
1120793510
1211585b11
13844b019
1454b6045
1537ec5d7
hex265fbfd

40238077 has 8 divisors (see below), whose sum is σ = 44724960. Its totient is φ = 35889360.

The previous prime is 40238071. The next prime is 40238087. The reversal of 40238077 is 77083204.

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

It is a cyclic number.

It is not a de Polignac number, because 40238077 - 23 = 40238069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40238071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33927 + ... + 35092.

It is an arithmetic number, because the mean of its divisors is an integer number (5590620).

Almost surely, 240238077 is an apocalyptic number.

It is an amenable number.

40238077 is a deficient number, since it is larger than the sum of its proper divisors (4486883).

40238077 is a wasteful number, since it uses less digits than its factorization.

40238077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69083.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 40238077 is about 6343.3490365894. The cubic root of 40238077 is about 342.6723575280.

It can be divided in two parts, 4023 and 8077, that added together give a square (12100 = 1102).

The spelling of 40238077 in words is "forty million, two hundred thirty-eight thousand, seventy-seven".

Divisors: 1 11 53 583 69019 759209 3658007 40238077