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1241230340 = 225710386077
BaseRepresentation
bin100100111111011…
…1010110000000100
310012111121000221002
41021332322300010
510020223332330
6323055512432
742521166230
oct11176726004
93174530832
101241230340
115877077a9
122a7828718
1316a1cc02c
14babc35c0
1573e81e45
hex49fbac04

1241230340 has 48 divisors (see below), whose sum is σ = 3007909632. Its totient is φ = 421428096.

The previous prime is 1241230327. The next prime is 1241230349. The reversal of 1241230340 is 430321421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1241230349) 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, 28619 + ... + 57458.

It is an arithmetic number, because the mean of its divisors is an integer number (62664784).

Almost surely, 21241230340 is an apocalyptic number.

1241230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241230340 is an abundant number, since it is smaller than the sum of its proper divisors (1766679292).

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

1241230340 is a wasteful number, since it uses less digits than its factorization.

1241230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86196 (or 86194 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1241230340 is about 35231.0990461552. The cubic root of 1241230340 is about 1074.6922760818.

Adding to 1241230340 its reverse (430321421), we get a palindrome (1671551761).

The spelling of 1241230340 in words is "one billion, two hundred forty-one million, two hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 103 140 206 412 515 721 1030 1442 2060 2884 3605 7210 14420 86077 172154 344308 430385 602539 860770 1205078 1721540 2410156 3012695 6025390 8865931 12050780 17731862 35463724 44329655 62061517 88659310 124123034 177318620 248246068 310307585 620615170 1241230340