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40230302 = 2722712659
BaseRepresentation
bin1001100101110…
…1110110011110
32210200220121012
42121131312132
540244332202
63554135222
7665644340
oct231356636
983626535
1040230302
1120788692
1211581512
138447618
1454b3290
1537ea152
hex265dd9e

40230302 has 16 divisors (see below), whose sum is σ = 69275520. Its totient is φ = 17164248.

The previous prime is 40230301. The next prime is 40230329. The reversal of 40230302 is 20303204.

It is a super-2 number, since 2×402303022 = 3236954398022408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230301) 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, 3152 + ... + 9507.

It is an arithmetic number, because the mean of its divisors is an integer number (4329720).

Almost surely, 240230302 is an apocalyptic number.

40230302 is a deficient number, since it is larger than the sum of its proper divisors (29045218).

40230302 is a wasteful number, since it uses less digits than its factorization.

40230302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 40230302 is about 6342.7361603649. The cubic root of 40230302 is about 342.6502851578.

Adding to 40230302 its reverse (20303204), we get a palindrome (60533506).

The spelling of 40230302 in words is "forty million, two hundred thirty thousand, three hundred two".

Divisors: 1 2 7 14 227 454 1589 3178 12659 25318 88613 177226 2873593 5747186 20115151 40230302