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490000804100 = 22524900008041
BaseRepresentation
bin1110010000101100101…
…00101110100100000100
31201211202222221221010122
413020112110232210010
531012010201212400
61013034145441112
750254451053613
oct7102624564404
91654688857118
10490000804100
11179898752635
127ab70340198
133728c682602
1419a0522d87a
15cb2cd83685
hex721652e904

490000804100 has 18 divisors (see below), whose sum is σ = 1063301745114. Its totient is φ = 196000321600.

The previous prime is 490000804061. The next prime is 490000804151. The reversal of 490000804100 is 1408000094.

It can be written as a sum of positive squares in 3 ways, for example, as 49696893184 + 440303910916 = 222928^2 + 663554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 490000804100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2450003921 + ... + 2450004120.

It is an arithmetic number, because the mean of its divisors is an integer number (59072319173).

Almost surely, 2490000804100 is an apocalyptic number.

It is an amenable number.

490000804100 is an abundant number, since it is smaller than the sum of its proper divisors (573300941014).

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

490000804100 is a wasteful number, since it uses less digits than its factorization.

490000804100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900008055 (or 4900008048 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 490000804100 its reverse (1408000094), we get a palindrome (491408804194).

The spelling of 490000804100 in words is "four hundred ninety billion, eight hundred four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 4900008041 9800016082 19600032164 24500040205 49000080410 98000160820 122500201025 245000402050 490000804100