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40955757 = 32393
BaseRepresentation
bin1001110000111…
…0111101101101
32212001202201220
42130032331231
540441041012
64021453553
71005055353
oct234167555
985052656
1040955757
1121133737
12118712b9
13863c89b
1456217d3
1538e008c
hex270ef6d

40955757 has 8 divisors (see below), whose sum is σ = 54837120. Its totient is φ = 27189596.

The previous prime is 40955749. The next prime is 40955767. The reversal of 40955757 is 75755904.

It is an ABA number since it can be written as A⋅BA, here for A=3, B=239.

It is not a de Polignac number, because 40955757 - 23 = 40955749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40955767) 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, 171244 + ... + 171482.

It is an arithmetic number, because the mean of its divisors is an integer number (6854640).

Almost surely, 240955757 is an apocalyptic number.

It is an amenable number.

40955757 is a deficient number, since it is larger than the sum of its proper divisors (13881363).

40955757 is an frugal number, since it uses more digits than its factorization.

40955757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 40955757 is about 6399.6685070400. The cubic root of 40955757 is about 344.6976473035.

The spelling of 40955757 in words is "forty million, nine hundred fifty-five thousand, seven hundred fifty-seven".

Divisors: 1 3 239 717 57121 171363 13651919 40955757