Search a number
-
+
132947568 = 2434132607
BaseRepresentation
bin1111110110010…
…01111001110000
3100021011102210000
413323021321300
5233013310233
621105310000
73203015145
oct773117160
9307142700
10132947568
1169055526
1238635300
132170b300
141392a3cc
15ba11d13
hex7ec9e70

132947568 has 150 divisors (see below), whose sum is σ = 417351264. Its totient is φ = 40839552.

The previous prime is 132947557. The next prime is 132947593. The reversal of 132947568 is 865749231.

It is a super-2 number, since 2×1329475682 = 35350111674229248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 218721 + ... + 219327.

Almost surely, 2132947568 is an apocalyptic number.

132947568 is a gapful number since it is divisible by the number (18) 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 132947568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208675632).

132947568 is an abundant number, since it is smaller than the sum of its proper divisors (284403696).

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

132947568 is a wasteful number, since it uses less digits than its factorization.

132947568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 625 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 132947568 is about 11530.2891550906. The cubic root of 132947568 is about 510.3797863150.

The spelling of 132947568 in words is "one hundred thirty-two million, nine hundred forty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 104 108 117 144 156 162 169 208 216 234 312 324 338 351 432 468 507 607 624 648 676 702 936 1014 1053 1214 1296 1352 1404 1521 1821 1872 2028 2106 2428 2704 2808 3042 3642 4056 4212 4563 4856 5463 5616 6084 7284 7891 8112 8424 9126 9712 10926 12168 13689 14568 15782 16389 16848 18252 21852 23673 24336 27378 29136 31564 32778 36504 43704 47346 49167 54756 63128 65556 71019 73008 87408 94692 98334 102583 109512 126256 131112 142038 189384 196668 205166 213057 219024 262224 284076 307749 378768 393336 410332 426114 568152 615498 639171 786672 820664 852228 923247 1136304 1230996 1278342 1641328 1704456 1846494 2461992 2556684 2769741 3408912 3692988 4923984 5113368 5539482 7385976 8309223 10226736 11078964 14771952 16618446 22157928 33236892 44315856 66473784 132947568