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9997000224 = 253208349993
BaseRepresentation
bin10010100111101111…
…00001111000100000
3221210201010020012120
421103313201320200
5130433213001344
64331554224240
7502510046151
oct112367417040
927721106176
109997000224
114270056262
121b2bb85080
13c341a9c63
146ab9c1928
153d79b9219
hex253de1e20

9997000224 has 48 divisors (see below), whose sum is σ = 26255248992. Its totient is φ = 3330667008.

The previous prime is 9997000219. The next prime is 9997000231. The reversal of 9997000224 is 4220007999.

It is a Cunningham number, because it is equal to 999852-1.

It is a tau number, because it is divible by the number of its divisors (48).

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, 174972 + ... + 224964.

It is an arithmetic number, because the mean of its divisors is an integer number (546984354).

Almost surely, 29997000224 is an apocalyptic number.

It is an amenable number.

9997000224 is an abundant number, since it is smaller than the sum of its proper divisors (16258248768).

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

9997000224 is a wasteful number, since it uses less digits than its factorization.

9997000224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52089 (or 52081 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9997000224 is about 99984.9999949992. Note that the first 5 decimals coincide. The cubic root of 9997000224 is about 2154.2192411046.

The spelling of 9997000224 in words is "nine billion, nine hundred ninety-seven million, two hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2083 4166 6249 8332 12498 16664 24996 33328 49992 49993 66656 99984 99986 149979 199968 199972 299958 399944 599916 799888 1199832 1599776 2399664 4799328 104135419 208270838 312406257 416541676 624812514 833083352 1249625028 1666166704 2499250056 3332333408 4998500112 9997000224