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6398290461 = 32132763487
BaseRepresentation
bin1011111010101111…
…00010101000011101
3121111220111211110210
411331113202220131
5101100430243321
62534521323033
7314361400023
oct57527425035
917456454423
106398290461
112793739362
1212a6936479
137ac75c1b4
14449a8a713
15276aaeb76
hex17d5e2a1d

6398290461 has 4 divisors (see below), whose sum is σ = 8531053952. Its totient is φ = 4265526972.

The previous prime is 6398290421. The next prime is 6398290469. The reversal of 6398290461 is 1640928936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6398290461 - 27 = 6398290333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6398290461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398290469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066381741 + ... + 1066381746.

It is an arithmetic number, because the mean of its divisors is an integer number (2132763488).

Almost surely, 26398290461 is an apocalyptic number.

It is an amenable number.

6398290461 is a deficient number, since it is larger than the sum of its proper divisors (2132763491).

6398290461 is a wasteful number, since it uses less digits than its factorization.

6398290461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132763490.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 6398290461 is about 79989.3146676480. The cubic root of 6398290461 is about 1856.4702067002.

The spelling of 6398290461 in words is "six billion, three hundred ninety-eight million, two hundred ninety thousand, four hundred sixty-one".

Divisors: 1 3 2132763487 6398290461