Search a number
-
+
2032023440 = 24525400293
BaseRepresentation
bin111100100011110…
…0011011110010000
312020121121111010102
41321013203132100
513130144222230
6533345151532
7101232625406
oct17107433620
95217544112
102032023440
1195302a317
1248862b5a8
13264caa345
14153c33476
15bd5db045
hex791e3790

2032023440 has 20 divisors (see below), whose sum is σ = 4724454684. Its totient is φ = 812809344.

The previous prime is 2032023431. The next prime is 2032023443. The reversal of 2032023440 is 443202302.

It can be written as a sum of positive squares in 2 ways, for example, as 423371776 + 1608651664 = 20576^2 + 40108^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is not an unprimeable number, because it can be changed into a prime (2032023443) 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, 12700067 + ... + 12700226.

Almost surely, 22032023440 is an apocalyptic number.

2032023440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2032023440 is an abundant number, since it is smaller than the sum of its proper divisors (2692431244).

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

2032023440 is a wasteful number, since it uses less digits than its factorization.

2032023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25400306 (or 25400300 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2032023440 is about 45077.9706730461. The cubic root of 2032023440 is about 1266.6099765333.

Adding to 2032023440 its reverse (443202302), we get a palindrome (2475225742).

The spelling of 2032023440 in words is "two billion, thirty-two million, twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25400293 50800586 101601172 127001465 203202344 254002930 406404688 508005860 1016011720 2032023440