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40230254 = 220115127
BaseRepresentation
bin1001100101110…
…1110101101110
32210200220112102
42121131311232
540244332004
63554135102
7665644241
oct231356556
983626472
1040230254
1120788649
1211581492
1384475ac
1454b3258
1537ea11e
hex265dd6e

40230254 has 4 divisors (see below), whose sum is σ = 60345384. Its totient is φ = 20115126.

The previous prime is 40230247. The next prime is 40230257. The reversal of 40230254 is 45203204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057562 + ... + 10057565.

It is an arithmetic number, because the mean of its divisors is an integer number (15086346).

Almost surely, 240230254 is an apocalyptic number.

40230254 is a deficient number, since it is larger than the sum of its proper divisors (20115130).

40230254 is a wasteful number, since it uses less digits than its factorization.

40230254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20115129.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40230254 is about 6342.7323765078. The cubic root of 40230254 is about 342.6501488822.

Adding to 40230254 its reverse (45203204), we get a palindrome (85433458).

The spelling of 40230254 in words is "forty million, two hundred thirty thousand, two hundred fifty-four".

Divisors: 1 2 20115127 40230254