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204440004244 = 22729207249989
BaseRepresentation
bin1011111001100110010…
…0101110011010010100
3201112200202221021022001
42332121210232122110
511322143120113434
6233530214445044
720525133235540
oct2763144563224
9645622837261
10204440004244
11797800640a3
1233756663784
131638114a918
149c75a50a20
1554b8161114
hex2f9992e694

204440004244 has 24 divisors (see below), whose sum is σ = 408895643520. Its totient is φ = 87613794336.

The previous prime is 204440004239. The next prime is 204440004271. The reversal of 204440004244 is 442400044402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692802 + ... + 942790.

It is an arithmetic number, because the mean of its divisors is an integer number (17037318480).

Almost surely, 2204440004244 is an apocalyptic number.

It is an amenable number.

204440004244 is an abundant number, since it is smaller than the sum of its proper divisors (204455639276).

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

204440004244 is a wasteful number, since it uses less digits than its factorization.

204440004244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279207 (or 279205 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 204440004244 its reverse (442400044402), we get a palindrome (646840048646).

The spelling of 204440004244 in words is "two hundred four billion, four hundred forty million, four thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 29207 58414 116828 204449 249989 408898 499978 817796 999956 1749923 3499846 6999692 7301428723 14602857446 29205714892 51110001061 102220002122 204440004244