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1899823104 = 216323221
BaseRepresentation
bin111000100111101…
…0000000000000000
311220101212000100200
41301033100000000
512342323314404
6512303445200
765036141604
oct16117200000
94811760320
101899823104
11895445243
124502b6800
132437a11aa
1414045d504
15b1bc5839
hex713d0000

1899823104 has 102 divisors (see below), whose sum is σ = 5490039906. Its totient is φ = 633077760.

The previous prime is 1899823097. The next prime is 1899823139. The reversal of 1899823104 is 4013289981.

It can be written as a sum of positive squares in only one way, i.e., 1784217600 + 115605504 = 42240^2 + 10752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1899823104.

It is a congruent number.

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, 588214 + ... + 591434.

Almost surely, 21899823104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1899823104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2745019953).

1899823104 is an abundant number, since it is smaller than the sum of its proper divisors (3590216802).

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

1899823104 is an frugal number, since it uses more digits than its factorization.

1899823104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1899823104 is about 43586.9602518918. The cubic root of 1899823104 is about 1238.5238904158.

The spelling of 1899823104 in words is "one billion, eight hundred ninety-nine million, eight hundred twenty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 3221 4096 4608 6144 6442 8192 9216 9663 12288 12884 16384 18432 19326 24576 25768 28989 32768 36864 38652 49152 51536 57978 65536 73728 77304 98304 103072 115956 147456 154608 196608 206144 231912 294912 309216 412288 463824 589824 618432 824576 927648 1236864 1649152 1855296 2473728 3298304 3710592 4947456 6596608 7421184 9894912 13193216 14842368 19789824 26386432 29684736 39579648 52772864 59369472 79159296 105545728 118738944 158318592 211091456 237477888 316637184 474955776 633274368 949911552 1899823104