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41406145 = 5113720347
BaseRepresentation
bin1001110111110…
…0111011000001
32212220122112221
42131330323001
541044444040
64035251041
71011642424
oct235747301
985818487
1041406145
1121411060
1211a49a81
1387698a1
1456db9bb
15397d74a
hex277cec1

41406145 has 16 divisors (see below), whose sum is σ = 55672128. Its totient is φ = 29298240.

The previous prime is 41406143. The next prime is 41406151. The reversal of 41406145 is 54160414.

It is not a de Polignac number, because 41406145 - 21 = 41406143 is a prime.

It is a super-2 number, since 2×414061452 = 3428937687522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41406143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8139 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (3479508).

Almost surely, 241406145 is an apocalyptic number.

41406145 is the 4070-th heptagonal number.

It is an amenable number.

41406145 is a deficient number, since it is larger than the sum of its proper divisors (14265983).

41406145 is a wasteful number, since it uses less digits than its factorization.

41406145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 41406145 is about 6434.7606793105. The cubic root of 41406145 is about 345.9565834794.

Adding to 41406145 its reverse (54160414), we get a palindrome (95566559).

The spelling of 41406145 in words is "forty-one million, four hundred six thousand, one hundred forty-five".

Divisors: 1 5 11 37 55 185 407 2035 20347 101735 223817 752839 1119085 3764195 8281229 41406145