Search a number
-
+
40240552 = 2311457279
BaseRepresentation
bin1001100110000…
…0010110101000
32210201102122211
42121200112220
540300144202
63554254504
7666016252
oct231402650
983642584
1040240552
1120795360
1211587434
13844c1a1
1454b6cd2
1537ed1d7
hex26605a8

40240552 has 16 divisors (see below), whose sum is σ = 82310400. Its totient is φ = 18291120.

The previous prime is 40240523. The next prime is 40240553. The reversal of 40240552 is 25504204.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40240553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228552 + ... + 228727.

It is an arithmetic number, because the mean of its divisors is an integer number (5144400).

Almost surely, 240240552 is an apocalyptic number.

It is an amenable number.

40240552 is an abundant number, since it is smaller than the sum of its proper divisors (42069848).

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

40240552 is a wasteful number, since it uses less digits than its factorization.

40240552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457296 (or 457292 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 40240552 is about 6343.5441198119. The cubic root of 40240552 is about 342.6793831843.

Adding to 40240552 its reverse (25504204), we get a palindrome (65744756).

The spelling of 40240552 in words is "forty million, two hundred forty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 457279 914558 1829116 3658232 5030069 10060138 20120276 40240552