Search a number
-
+
8000497242 = 2323971119577
BaseRepresentation
bin1110111001101110…
…11110011001011010
3202122120100100222200
413130313132121122
5112341111402432
63401514231030
7402155050563
oct73467363132
922576310880
108000497242
113436087aa1
121673425476
139a668854a
1455c79716a
1531c597a7c
hex1dcdde65a

8000497242 has 24 divisors (see below), whose sum is σ = 17378089716. Its totient is φ = 2660112576.

The previous prime is 8000497237. The next prime is 8000497249. The reversal of 8000497242 is 2427940008.

It can be written as a sum of positive squares in 2 ways, for example, as 7915838841 + 84658401 = 88971^2 + 9201^2 .

It is a super-2 number, since 2×80004972422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8000497197 and 8000497206.

It is not an unprimeable number, because it can be changed into a prime (8000497249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552643 + ... + 566934.

Almost surely, 28000497242 is an apocalyptic number.

8000497242 is an abundant number, since it is smaller than the sum of its proper divisors (9377592474).

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

8000497242 is a wasteful number, since it uses less digits than its factorization.

8000497242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119982 (or 1119979 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8000497242 is about 89445.4987240834. The cubic root of 8000497242 is about 2000.0414359749.

The spelling of 8000497242 in words is "eight billion, four hundred ninety-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 397 794 1191 2382 3573 7146 1119577 2239154 3358731 6717462 10076193 20152386 444472069 888944138 1333416207 2666832414 4000248621 8000497242