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5497293440 = 2758589521
BaseRepresentation
bin1010001111010101…
…00000101010000000
3112012010010102220202
411013222200222000
542224301342230
62305254024332
7253141136402
oct50752405200
915163112822
105497293440
112371095a21
1210950480a8
13697ba6a72
143a2150b72
15222937a45
hex147aa0a80

5497293440 has 32 divisors (see below), whose sum is σ = 13141968660. Its totient is φ = 2198917120.

The previous prime is 5497293413. The next prime is 5497293449. The reversal of 5497293440 is 443927945.

It can be written as a sum of positive squares in 2 ways, for example, as 5268437056 + 228856384 = 72584^2 + 15128^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (5497293449) 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, 4294121 + ... + 4295400.

Almost surely, 25497293440 is an apocalyptic number.

It is an amenable number.

5497293440 is an abundant number, since it is smaller than the sum of its proper divisors (7644675220).

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

5497293440 is an equidigital number, since it uses as much as digits as its factorization.

5497293440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589540 (or 8589528 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 5497293440 is about 74143.7350016844. The cubic root of 5497293440 is about 1764.8845716818.

The spelling of 5497293440 in words is "five billion, four hundred ninety-seven million, two hundred ninety-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 8589521 17179042 34358084 42947605 68716168 85895210 137432336 171790420 274864672 343580840 549729344 687161680 1099458688 1374323360 2748646720 5497293440