Search a number
-
+
40230757 = 743133657
BaseRepresentation
bin1001100101110…
…1111101100101
32210200221020001
42121131331211
540244341012
63554141301
7665645560
oct231357545
983627201
1040230757
1120788a66
1211581831
1384478a8
1454b34d7
1537ea357
hex265df65

40230757 has 8 divisors (see below), whose sum is σ = 47047616. Its totient is φ = 33681312.

The previous prime is 40230739. The next prime is 40230791. The reversal of 40230757 is 75703204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40230757 - 27 = 40230629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230797) 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, 66528 + ... + 67129.

It is an arithmetic number, because the mean of its divisors is an integer number (5880952).

Almost surely, 240230757 is an apocalyptic number.

It is an amenable number.

40230757 is a deficient number, since it is larger than the sum of its proper divisors (6816859).

40230757 is a wasteful number, since it uses less digits than its factorization.

40230757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133707.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 40230757 is about 6342.7720280647. The cubic root of 40230757 is about 342.6515769311.

The spelling of 40230757 in words is "forty million, two hundred thirty thousand, seven hundred fifty-seven".

Divisors: 1 7 43 301 133657 935599 5747251 40230757