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120223500 = 2235380149
BaseRepresentation
bin1110010101001…
…11011100001100
322101012222122020
413022213130030
5221234123000
615532450140
72656611555
oct712473414
9271188566
10120223500
1161954771
1234319950
131bba4887
1411d7732c
15a84bba0
hex72a770c

120223500 has 48 divisors (see below), whose sum is σ = 350095200. Its totient is φ = 32059200.

The previous prime is 120223483. The next prime is 120223501. The reversal of 120223500 is 5322021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120223500.

It is not an unprimeable number, because it can be changed into a prime (120223501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38575 + ... + 41574.

It is an arithmetic number, because the mean of its divisors is an integer number (7293650).

Almost surely, 2120223500 is an apocalyptic number.

120223500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120223500 is an abundant number, since it is smaller than the sum of its proper divisors (229871700).

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

120223500 is a wasteful number, since it uses less digits than its factorization.

120223500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80171 (or 80159 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 120223500 is about 10964.6477371596. The cubic root of 120223500 is about 493.5484462827.

Adding to 120223500 its reverse (5322021), we get a palindrome (125545521).

The spelling of 120223500 in words is "one hundred twenty million, two hundred twenty-three thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 750 1500 80149 160298 240447 320596 400745 480894 801490 961788 1202235 1602980 2003725 2404470 4007450 4808940 6011175 8014900 10018625 12022350 20037250 24044700 30055875 40074500 60111750 120223500