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2533432420 = 225971305893
BaseRepresentation
bin1001011100000001…
…0001110001100100
320112120002200221101
42113000101301210
520142024314140
61055220125444
7116531551231
oct22700216144
96476080841
102533432420
111090069302
125a8536884
13314b3684c
141a0674788
15ec63199a
hex97011c64

2533432420 has 24 divisors (see below), whose sum is σ = 5375059704. Its totient is φ = 1002925056.

The previous prime is 2533432417. The next prime is 2533432423. The reversal of 2533432420 is 242343352.

It is an interprime number because it is at equal distance from previous prime (2533432417) and next prime (2533432423).

It can be written as a sum of positive squares in 4 ways, for example, as 31832164 + 2501600256 = 5642^2 + 50016^2 .

It is not an unprimeable number, because it can be changed into a prime (2533432423) 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, 651007 + ... + 654886.

It is an arithmetic number, because the mean of its divisors is an integer number (223960821).

Almost surely, 22533432420 is an apocalyptic number.

2533432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2533432420 is an abundant number, since it is smaller than the sum of its proper divisors (2841627284).

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

2533432420 is a wasteful number, since it uses less digits than its factorization.

2533432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305999 (or 1305997 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 2533432420 is about 50333.2138850680. The cubic root of 2533432420 is about 1363.2320081929.

Adding to 2533432420 its reverse (242343352), we get a palindrome (2775775772).

The spelling of 2533432420 in words is "two billion, five hundred thirty-three million, four hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 1305893 2611786 5223572 6529465 13058930 26117860 126671621 253343242 506686484 633358105 1266716210 2533432420