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40141641 = 317787091
BaseRepresentation
bin1001100100100…
…0001101001001
32210112101222110
42121020031021
540234013031
63552212533
7665125011
oct231101511
983471873
1040141641
1120728011
121153a149
138416167
14548cc41
1537cdc46
hex2648349

40141641 has 8 divisors (see below), whose sum is σ = 56670624. Its totient is φ = 25186880.

The previous prime is 40141627. The next prime is 40141649. The reversal of 40141641 is 14614104.

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 40141641 - 27 = 40141513 is a prime.

It is a super-2 number, since 2×401416412 = 3222702684345762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40141649) 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, 393495 + ... + 393596.

It is an arithmetic number, because the mean of its divisors is an integer number (7083828).

Almost surely, 240141641 is an apocalyptic number.

It is an amenable number.

40141641 is a deficient number, since it is larger than the sum of its proper divisors (16528983).

40141641 is a wasteful number, since it uses less digits than its factorization.

40141641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787111.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 40141641 is about 6335.7431292627. The cubic root of 40141641 is about 342.3983849723.

Adding to 40141641 its reverse (14614104), we get a palindrome (54755745).

The spelling of 40141641 in words is "forty million, one hundred forty-one thousand, six hundred forty-one".

Divisors: 1 3 17 51 787091 2361273 13380547 40141641