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2104020444 = 223434077559
BaseRepresentation
bin111110101101000…
…1100110111011100
312102122002022110010
41331122030313130
513302112123234
6544440243220
7103065610251
oct17532146734
95378068403
102104020444
1198a734779
124a8770510
13276b97b16
1415d615428
15c4aad6e9
hex7d68cddc

2104020444 has 24 divisors (see below), whose sum is σ = 5023553920. Its totient is φ = 685029744.

The previous prime is 2104020439. The next prime is 2104020491. The reversal of 2104020444 is 4440204012.

It is a self number, because there is not a number n which added to its sum of digits gives 2104020444.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2038264 + ... + 2039295.

Almost surely, 22104020444 is an apocalyptic number.

It is an amenable number.

2104020444 is an abundant number, since it is smaller than the sum of its proper divisors (2919533476).

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

2104020444 is a wasteful number, since it uses less digits than its factorization.

2104020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077609 (or 4077607 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2104020444 is about 45869.6026143676. The cubic root of 2104020444 is about 1281.3958657361.

Adding to 2104020444 its reverse (4440204012), we get a palindrome (6544224456).

The spelling of 2104020444 in words is "two billion, one hundred four million, twenty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 4077559 8155118 12232677 16310236 24465354 48930708 175335037 350670074 526005111 701340148 1052010222 2104020444