Search a number
-
+
132868480 = 2753137181
BaseRepresentation
bin1111110101101…
…10100110000000
3100021000102021211
413322312212000
5233003242410
621103455504
73202235443
oct772664600
9307012254
10132868480
1169001068
12385b7594
13216b1304
141390965a
15b9e868a
hex7eb6980

132868480 has 128 divisors (see below), whose sum is σ = 338607360. Its totient is φ = 49766400.

The previous prime is 132868457. The next prime is 132868487. The reversal of 132868480 is 84868231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132868487) 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, 733990 + ... + 734170.

It is an arithmetic number, because the mean of its divisors is an integer number (2645370).

Almost surely, 2132868480 is an apocalyptic number.

132868480 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 132868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169303680).

132868480 is an abundant number, since it is smaller than the sum of its proper divisors (205738880).

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

132868480 is a wasteful number, since it uses less digits than its factorization.

132868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 132868480 is about 11526.8590691480. The cubic root of 132868480 is about 510.2785611381.

The spelling of 132868480 in words is "one hundred thirty-two million, eight hundred sixty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 37 40 62 64 74 80 124 128 148 155 160 181 185 248 296 310 320 362 370 496 592 620 640 724 740 905 992 1147 1184 1240 1448 1480 1810 1984 2294 2368 2480 2896 2960 3620 3968 4588 4736 4960 5611 5735 5792 5920 6697 7240 9176 9920 11222 11470 11584 11840 13394 14480 18352 19840 22444 22940 23168 23680 26788 28055 28960 33485 36704 44888 45880 53576 56110 57920 66970 73408 89776 91760 107152 112220 115840 133940 146816 179552 183520 207607 214304 224440 267880 359104 367040 415214 428608 448880 535760 718208 734080 830428 857216 897760 1038035 1071520 1660856 1795520 2076070 2143040 3321712 3591040 4152140 4286080 6643424 8304280 13286848 16608560 26573696 33217120 66434240 132868480