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40415070 = 2356720107
BaseRepresentation
bin1001101000101…
…0111101011110
32211001022001110
42122022331132
540321240240
64002122450
71000344123
oct232127536
984038043
1040415070
11208a4493
1211650426
1384b0757
14552074a
153834c80
hex268af5e

40415070 has 32 divisors (see below), whose sum is σ = 98448768. Its totient is φ = 10615968.

The previous prime is 40415029. The next prime is 40415093. The reversal of 40415070 is 7051404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8044 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (3076524).

Almost surely, 240415070 is an apocalyptic number.

40415070 is an abundant number, since it is smaller than the sum of its proper divisors (58033698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40415070 is a wasteful number, since it uses less digits than its factorization.

40415070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40415070 is about 6357.2847977733. The cubic root of 40415070 is about 343.1740539554.

Adding to 40415070 its reverse (7051404), we get a palindrome (47466474).

The spelling of 40415070 in words is "forty million, four hundred fifteen thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 2010 20107 40214 60321 100535 120642 201070 301605 603210 1347169 2694338 4041507 6735845 8083014 13471690 20207535 40415070