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1040230140 = 2235163106363
BaseRepresentation
bin111110000000001…
…010011011111100
32200111101011111020
4332000022123330
54112244331030
6251115424140
734530544635
oct7600123374
92614334436
101040230140
11494201334
12250455050
131376846c1
149c22088c
15614cb510
hex3e00a6fc

1040230140 has 48 divisors (see below), whose sum is σ = 2930540928. Its totient is φ = 275690304.

The previous prime is 1040230129. The next prime is 1040230181. The reversal of 1040230140 is 410320401.

1040230140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 43402 + ... + 62961.

It is an arithmetic number, because the mean of its divisors is an integer number (61052936).

Almost surely, 21040230140 is an apocalyptic number.

1040230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040230140 is an abundant number, since it is smaller than the sum of its proper divisors (1890310788).

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

1040230140 is a wasteful number, since it uses less digits than its factorization.

1040230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106538 (or 106536 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1040230140 is about 32252.5989650447. The cubic root of 1040230140 is about 1013.2341318036.

Adding to 1040230140 its reverse (410320401), we get a palindrome (1450550541).

The spelling of 1040230140 in words is "one billion, forty million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 9780 106363 212726 319089 425452 531815 638178 1063630 1276356 1595445 2127260 3190890 6381780 17337169 34674338 52011507 69348676 86685845 104023014 173371690 208046028 260057535 346743380 520115070 1040230140