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2452545440 = 25515328409
BaseRepresentation
bin1001001000101110…
…1101111110100000
320022220220012212022
42102023231332200
520010322423230
61043210321012
7114530202152
oct22213557640
96286805768
102452545440
111049441764
12585429168
13301155827
14193a1aad2
15e54a51e5
hex922edfa0

2452545440 has 24 divisors (see below), whose sum is σ = 5794138980. Its totient is φ = 981018112.

The previous prime is 2452545427. The next prime is 2452545461. The reversal of 2452545440 is 445452542.

2452545440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2247139216 + 205406224 = 47404^2 + 14332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2452545440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7664045 + ... + 7664364.

Almost surely, 22452545440 is an apocalyptic number.

2452545440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2452545440 is an abundant number, since it is smaller than the sum of its proper divisors (3341593540).

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

2452545440 is a wasteful number, since it uses less digits than its factorization.

2452545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15328424 (or 15328416 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 2452545440 is about 49523.1808348373. The cubic root of 2452545440 is about 1348.5664599993.

Adding to 2452545440 its reverse (445452542), we get a palindrome (2897997982).

The spelling of 2452545440 in words is "two billion, four hundred fifty-two million, five hundred forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 15328409 30656818 61313636 76642045 122627272 153284090 245254544 306568180 490509088 613136360 1226272720 2452545440