Search a number
-
+
564148480 = 285779797
BaseRepresentation
bin100001101000000…
…011100100000000
31110022112201020011
4201220003210000
52123410222410
6131551354304
716660116520
oct4150034400
91408481204
10564148480
1126a4a1115
12138b22994
138cb5538c
1454cd3680
15347da18a
hex21a03900

564148480 has 144 divisors (see below), whose sum is σ = 1565867520. Its totient is φ = 190734336.

The previous prime is 564148421. The next prime is 564148489. The reversal of 564148480 is 84841465.

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

It is not an unprimeable number, because it can be changed into a prime (564148489) 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, 707442 + ... + 708238.

It is an arithmetic number, because the mean of its divisors is an integer number (10874080).

Almost surely, 2564148480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564148480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782933760).

564148480 is an abundant number, since it is smaller than the sum of its proper divisors (1001719040).

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

564148480 is an equidigital number, since it uses as much as digits as its factorization.

564148480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 564148480 is about 23751.8100362899. The cubic root of 564148480 is about 826.2874199826.

The spelling of 564148480 in words is "five hundred sixty-four million, one hundred forty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 79 80 112 128 140 158 160 224 256 280 316 320 395 448 553 560 632 640 790 797 896 1106 1120 1264 1280 1580 1594 1792 2212 2240 2528 2765 3160 3188 3985 4424 4480 5056 5530 5579 6320 6376 7970 8848 8960 10112 11060 11158 12640 12752 15940 17696 20224 22120 22316 25280 25504 27895 31880 35392 44240 44632 50560 51008 55790 62963 63760 70784 88480 89264 101120 102016 111580 125926 127520 141568 176960 178528 204032 223160 251852 255040 314815 353920 357056 440741 446320 503704 510080 629630 707840 714112 881482 892640 1007408 1020160 1259260 1428224 1762964 1785280 2014816 2203705 2518520 3525928 3570560 4029632 4407410 5037040 7051856 7141120 8059264 8814820 10074080 14103712 16118528 17629640 20148160 28207424 35259280 40296320 56414848 70518560 80592640 112829696 141037120 282074240 564148480