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801075490 = 2580107549
BaseRepresentation
bin101111101111110…
…111000100100010
32001211100211222121
4233233313010202
53120033403430
6211253454454
725565013025
oct5757670442
92054324877
10801075490
11381205966
121a434142a
13c9c6b587
14785691bc
154a4daa7a
hex2fbf7122

801075490 has 8 divisors (see below), whose sum is σ = 1441935900. Its totient is φ = 320430192.

The previous prime is 801075449. The next prime is 801075491. The reversal of 801075490 is 94570108.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 790790641 + 10284849 = 28121^2 + 3207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (801075491) 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, 40053765 + ... + 40053784.

Almost surely, 2801075490 is an apocalyptic number.

801075490 is a deficient number, since it is larger than the sum of its proper divisors (640860410).

801075490 is a wasteful number, since it uses less digits than its factorization.

801075490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80107556.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 801075490 is about 28303.2770187482. The cubic root of 801075490 is about 928.7335789753.

The spelling of 801075490 in words is "eight hundred one million, seventy-five thousand, four hundred ninety".

Divisors: 1 2 5 10 80107549 160215098 400537745 801075490