Search a number
-
+
412400540 = 22579261013
BaseRepresentation
bin11000100101001…
…011101110011100
31001202000010012002
4120211023232130
51321033304130
6104531101432
713135226636
oct3045135634
91052003162
10412400540
111a18756a2
12b6141878
13675939b6
143cab1a56
1526312b45
hex1894bb9c

412400540 has 24 divisors (see below), whose sum is σ = 877007040. Its totient is φ = 162871488.

The previous prime is 412400539. The next prime is 412400543. The reversal of 412400540 is 45004214.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412400543) 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, 128927 + ... + 132086.

It is an arithmetic number, because the mean of its divisors is an integer number (36541960).

Almost surely, 2412400540 is an apocalyptic number.

It is an amenable number.

412400540 is an abundant number, since it is smaller than the sum of its proper divisors (464606500).

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

412400540 is a wasteful number, since it uses less digits than its factorization.

412400540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261101 (or 261099 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 412400540 is about 20307.6473280388. The cubic root of 412400540 is about 744.3429427383.

Adding to 412400540 its reverse (45004214), we get a palindrome (457404754).

The spelling of 412400540 in words is "four hundred twelve million, four hundred thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 261013 522026 1044052 1305065 2610130 5220260 20620027 41240054 82480108 103100135 206200270 412400540