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132230740 = 2254147273
BaseRepresentation
bin1111110000110…
…10111001010100
3100012211000110211
413320122321110
5232322340430
621042055204
73163641235
oct770327124
9305730424
10132230740
1168705a04
123834a504
1321519c55
14137c108c
15b91e72a
hex7e1ae54

132230740 has 72 divisors (see below), whose sum is σ = 294619752. Its totient is φ = 49812480.

The previous prime is 132230729. The next prime is 132230759. The reversal of 132230740 is 47032231.

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 131515024 = 846^2 + 11468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1811344 + ... + 1811416.

It is an arithmetic number, because the mean of its divisors is an integer number (4091941).

Almost surely, 2132230740 is an apocalyptic number.

132230740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132230740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147309876).

132230740 is an abundant number, since it is smaller than the sum of its proper divisors (162389012).

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

132230740 is a wasteful number, since it uses less digits than its factorization.

132230740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 132230740 is about 11499.1625782054. The cubic root of 132230740 is about 509.4608424962.

Adding to 132230740 its reverse (47032231), we get a palindrome (179262971).

The spelling of 132230740 in words is "one hundred thirty-two million, two hundred thirty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 41 47 73 82 94 146 164 188 205 235 292 365 410 470 730 820 940 1460 1927 2209 2993 3431 3854 4418 5986 6862 7708 8836 9635 11045 11972 13724 14965 17155 19270 22090 29930 34310 38540 44180 59860 68620 90569 140671 161257 181138 281342 322514 362276 452845 562684 645028 703355 806285 905690 1406710 1612570 1811380 2813420 3225140 6611537 13223074 26446148 33057685 66115370 132230740