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193672864 = 2571183947
BaseRepresentation
bin10111000101100…
…11011010100000
3111111102121020001
423202303122200
5344040012424
631115025344
74541122630
oct1342633240
9444377201
10193672864
119a361320
1254a3b254
1331180438
141ba166c0
1512009844
hexb8b36a0

193672864 has 96 divisors (see below), whose sum is σ = 481614336. Its totient is φ = 74469120.

The previous prime is 193672859. The next prime is 193672879. The reversal of 193672864 is 468276391.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204039 + ... + 204985.

It is an arithmetic number, because the mean of its divisors is an integer number (5016816).

Almost surely, 2193672864 is an apocalyptic number.

193672864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193672864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240807168).

193672864 is an abundant number, since it is smaller than the sum of its proper divisors (287941472).

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

193672864 is a wasteful number, since it uses less digits than its factorization.

193672864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1050 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 193672864 is about 13916.6398243254. The cubic root of 193672864 is about 578.5704628401.

The spelling of 193672864 in words is "one hundred ninety-three million, six hundred seventy-two thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 83 88 112 154 166 176 224 308 332 352 581 616 664 913 947 1162 1232 1328 1826 1894 2324 2464 2656 3652 3788 4648 6391 6629 7304 7576 9296 10417 12782 13258 14608 15152 18592 20834 25564 26516 29216 30304 41668 51128 53032 72919 78601 83336 102256 106064 145838 157202 166672 204512 212128 291676 314404 333344 550207 583352 628808 864611 1100414 1166704 1257616 1729222 2200828 2333408 2515232 3458444 4401656 6052277 6916888 8803312 12104554 13833776 17606624 24209108 27667552 48418216 96836432 193672864