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1242030200 = 235217365303
BaseRepresentation
bin100101000000111…
…1110000001111000
310012120002200010112
41022001332001320
510020424431300
6323125003452
742531040205
oct11201760170
93176080115
101242030200
11588103744
122a7b53588
1316a41c118
14bad50cac
157408de35
hex4a07e078

1242030200 has 48 divisors (see below), whose sum is σ = 3057594480. Its totient is φ = 467586560.

The previous prime is 1242030187. The next prime is 1242030203. The reversal of 1242030200 is 20302421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242030203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 179252 + ... + 186051.

It is an arithmetic number, because the mean of its divisors is an integer number (63699885).

Almost surely, 21242030200 is an apocalyptic number.

1242030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242030200 is an abundant number, since it is smaller than the sum of its proper divisors (1815564280).

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

1242030200 is a wasteful number, since it uses less digits than its factorization.

1242030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365336 (or 365327 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1242030200 is about 35242.4488365948. The cubic root of 1242030200 is about 1074.9230736372.

Adding to 1242030200 its reverse (20302421), we get a palindrome (1262332621).

The spelling of 1242030200 in words is "one billion, two hundred forty-two million, thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3400 365303 730606 1461212 1826515 2922424 3653030 6210151 7306060 9132575 12420302 14612120 18265150 24840604 31050755 36530300 49681208 62101510 73060600 124203020 155253775 248406040 310507550 621015100 1242030200