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7000490 = 257971031
BaseRepresentation
bin11010101101000110101010
3111011122212102
4122231012222
53243003430
6410013402
7113334410
oct32550652
914148772
107000490
113a51632
122417262
1315b1503
14d032b0
15934345
hex6ad1aa

7000490 has 32 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 2373120.

The previous prime is 7000459. The next prime is 7000517. The reversal of 7000490 is 940007.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6275 + ... + 7305.

It is an arithmetic number, because the mean of its divisors is an integer number (455112).

Almost surely, 27000490 is an apocalyptic number.

7000490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7000490 is an abundant number, since it is smaller than the sum of its proper divisors (7563094).

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

7000490 is a wasteful number, since it uses less digits than its factorization.

7000490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7000490 is about 2645.8439107400. The cubic root of 7000490 is about 191.2975816792.

Adding to 7000490 its reverse (940007), we get a palindrome (7940497).

The spelling of 7000490 in words is "seven million, four hundred ninety", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 97 194 485 679 970 1031 1358 2062 3395 5155 6790 7217 10310 14434 36085 72170 100007 200014 500035 700049 1000070 1400098 3500245 7000490