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40240541 = 116159971
BaseRepresentation
bin1001100110000…
…0010110011101
32210201102122102
42121200112131
540300144131
63554254445
7666016235
oct231402635
983642572
1040240541
1120795350
1211587425
13844c193
1454b6cc5
1537ed1cb
hex266059d

40240541 has 8 divisors (see below), whose sum is σ = 44619168. Its totient is φ = 35982000.

The previous prime is 40240523. The next prime is 40240553. The reversal of 40240541 is 14504204.

40240541 = T1118 + T1119 + ... + T1178.

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 40240541 - 210 = 40239517 is a prime.

It is a super-2 number, since 2×402405412 = 3238602279945362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240441) 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, 29315 + ... + 30656.

It is an arithmetic number, because the mean of its divisors is an integer number (5577396).

Almost surely, 240240541 is an apocalyptic number.

It is an amenable number.

40240541 is a deficient number, since it is larger than the sum of its proper divisors (4378627).

40240541 is a wasteful number, since it uses less digits than its factorization.

40240541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60043.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40240541 is about 6343.5432527886. The cubic root of 40240541 is about 342.6793519598.

Adding to 40240541 its reverse (14504204), we get a palindrome (54744745).

The spelling of 40240541 in words is "forty million, two hundred forty thousand, five hundred forty-one".

Divisors: 1 11 61 671 59971 659681 3658231 40240541