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1241045220 = 2235171216711
BaseRepresentation
bin100100111111000…
…1101100011100100
310012111020121222210
41021332031203210
510020201421340
6323051523420
742516465432
oct11176154344
93174217883
101241045220
115875a0708
122a7759570
1316a1659ac
14bab75d52
1573e47180
hex49f8d8e4

1241045220 has 48 divisors (see below), whose sum is σ = 3679337088. Its totient is φ = 311477760.

The previous prime is 1241045209. The next prime is 1241045233. The reversal of 1241045220 is 225401421.

1241045220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 607336 + ... + 609375.

It is an arithmetic number, because the mean of its divisors is an integer number (76652856).

Almost surely, 21241045220 is an apocalyptic number.

1241045220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241045220 is an abundant number, since it is smaller than the sum of its proper divisors (2438291868).

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

1241045220 is a wasteful number, since it uses less digits than its factorization.

1241045220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216740 (or 1216738 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1241045220 is about 35228.4717238770. The cubic root of 1241045220 is about 1074.6388460511.

Adding to 1241045220 its reverse (225401421), we get a palindrome (1466446641).

It can be divided in two parts, 12410 and 45220, that added together give a triangular number (57630 = T339).

The spelling of 1241045220 in words is "one billion, two hundred forty-one million, forty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1216711 2433422 3650133 4866844 6083555 7300266 12167110 14600532 18250665 20684087 24334220 36501330 41368174 62052261 73002660 82736348 103420435 124104522 206840870 248209044 310261305 413681740 620522610 1241045220