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223538460 = 223537100693
BaseRepresentation
bin11010101001011…
…10110100011100
3120120121221010020
431110232310130
5424211212320
634103112140
75353021425
oct1524566434
9516557106
10223538460
111051aa832
1262a42650
13374091a2
142198c64c
1514958940
hexd52ed1c

223538460 has 48 divisors (see below), whose sum is σ = 642830496. Its totient is φ = 57998592.

The previous prime is 223538453. The next prime is 223538507. The reversal of 223538460 is 64835322.

It is a happy number.

223538460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48127 + ... + 52566.

It is an arithmetic number, because the mean of its divisors is an integer number (13392302).

Almost surely, 2223538460 is an apocalyptic number.

223538460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223538460 is an abundant number, since it is smaller than the sum of its proper divisors (419292036).

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

223538460 is a wasteful number, since it uses less digits than its factorization.

223538460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100742 (or 100740 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 223538460 is about 14951.2026272136. The cubic root of 223538460 is about 606.9003923054.

The spelling of 223538460 in words is "two hundred twenty-three million, five hundred thirty-eight thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 100693 201386 302079 402772 503465 604158 1006930 1208316 1510395 2013860 3020790 3725641 6041580 7451282 11176923 14902564 18628205 22353846 37256410 44707692 55884615 74512820 111769230 223538460