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1220232300 = 223527283009
BaseRepresentation
bin100100010111011…
…0100010001101100
310011001002020000220
41020232310101230
54444334413200
6321025451340
742144542400
oct11056642154
93131066026
101220232300
11576875651
122a07a0b50
13165a59561
14b80b9100
15721d54a0
hex48bb446c

1220232300 has 108 divisors (see below), whose sum is σ = 4107002760. Its totient is φ = 278906880.

The previous prime is 1220232289. The next prime is 1220232311. The reversal of 1220232300 is 32320221.

1220232300 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1220232289) and next prime (1220232311).

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 1220232300.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26805 + ... + 56204.

Almost surely, 21220232300 is an apocalyptic number.

1220232300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220232300 is an abundant number, since it is smaller than the sum of its proper divisors (2886770460).

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

1220232300 is a wasteful number, since it uses less digits than its factorization.

1220232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83040 (or 83026 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220232300 is about 34931.8235996920. The cubic root of 1220232300 is about 1068.5975453684.

Adding to 1220232300 its reverse (32320221), we get a palindrome (1252552521).

The spelling of 1220232300 in words is "one billion, two hundred twenty million, two hundred thirty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 49 50 60 70 75 84 98 100 105 140 147 150 175 196 210 245 294 300 350 420 490 525 588 700 735 980 1050 1225 1470 2100 2450 2940 3675 4900 7350 14700 83009 166018 249027 332036 415045 498054 581063 830090 996108 1162126 1245135 1660180 1743189 2075225 2324252 2490270 2905315 3486378 4067441 4150450 4980540 5810630 6225675 6972756 8134882 8300900 8715945 11621260 12202323 12451350 14526575 16269764 17431890 20337205 24404646 24902700 29053150 34863780 40674410 43579725 48809292 58106300 61011615 81348820 87159450 101686025 122023230 174318900 203372050 244046460 305058075 406744100 610116150 1220232300