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8045052440 = 235853235787
BaseRepresentation
bin1110111111000010…
…11100001000011000
3202202200012000020012
413133201130020120
5112434013134230
63410145221052
7403235550245
oct73741341030
922680160205
108045052440
113459249a77
121686331788
139b2988579
145646745cc
15321449395
hex1df85c218

8045052440 has 32 divisors (see below), whose sum is σ = 18122665680. Its totient is φ = 3214234752.

The previous prime is 8045052419. The next prime is 8045052461. The reversal of 8045052440 is 442505408.

It is an interprime number because it is at equal distance from previous prime (8045052419) and next prime (8045052461).

It is a junction number, because it is equal to n+sod(n) for n = 8045052397 and 8045052406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83774 + ... + 152013.

Almost surely, 28045052440 is an apocalyptic number.

It is an amenable number.

8045052440 is an abundant number, since it is smaller than the sum of its proper divisors (10077613240).

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

8045052440 is a wasteful number, since it uses less digits than its factorization.

8045052440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236651 (or 236647 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 8045052440 is about 89694.2163129820. The cubic root of 8045052440 is about 2003.7473443201.

Adding to 8045052440 its reverse (442505408), we get a palindrome (8487557848).

The spelling of 8045052440 in words is "eight billion, forty-five million, fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 853 1706 3412 4265 6824 8530 17060 34120 235787 471574 943148 1178935 1886296 2357870 4715740 9431480 201126311 402252622 804505244 1005631555 1609010488 2011263110 4022526220 8045052440