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133024140 = 223351811361
BaseRepresentation
bin1111110110111…
…00100110001100
3100021022022211000
413323130212030
5233023233030
621111100300
73203454324
oct773344614
9307268730
10133024140
11690a8007
1238671690
1321737112
141394a284
15ba29860
hex7edc98c

133024140 has 96 divisors (see below), whose sum is σ = 416445120. Its totient is φ = 35251200.

The previous prime is 133024097. The next prime is 133024163. The reversal of 133024140 is 41420331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97060 + ... + 98420.

It is an arithmetic number, because the mean of its divisors is an integer number (4337970).

Almost surely, 2133024140 is an apocalyptic number.

133024140 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 133024140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208222560).

133024140 is an abundant number, since it is smaller than the sum of its proper divisors (283420980).

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

133024140 is a wasteful number, since it uses less digits than its factorization.

133024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 133024140 is about 11533.6091489178. The cubic root of 133024140 is about 510.4777530073.

Adding to 133024140 its reverse (41420331), we get a palindrome (174444471).

The spelling of 133024140 in words is "one hundred thirty-three million, twenty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 181 270 362 540 543 724 905 1086 1361 1629 1810 2172 2715 2722 3258 3620 4083 4887 5430 5444 6516 6805 8145 8166 9774 10860 12249 13610 16290 16332 19548 20415 24435 24498 27220 32580 36747 40830 48870 48996 61245 73494 81660 97740 122490 146988 183735 244980 246341 367470 492682 734940 739023 985364 1231705 1478046 2217069 2463410 2956092 3695115 4434138 4926820 6651207 7390230 8868276 11085345 13302414 14780460 22170690 26604828 33256035 44341380 66512070 133024140