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1442525500 = 225313239649
BaseRepresentation
bin101010111111011…
…0011000100111100
310201112100212222101
41111332303010330
510423241304000
6355050154444
750514156463
oct12576630474
93645325871
101442525500
116802a4839
12343122a24
1319cb1a9b0
14d98219da
1586994e6a
hex55fb313c

1442525500 has 96 divisors (see below), whose sum is σ = 3540700800. Its totient is φ = 509414400.

The previous prime is 1442525489. The next prime is 1442525519. The reversal of 1442525500 is 55252441.

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, 144676 + ... + 154324.

It is an arithmetic number, because the mean of its divisors is an integer number (36882300).

Almost surely, 21442525500 is an apocalyptic number.

1442525500 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 1442525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770350400).

1442525500 is an abundant number, since it is smaller than the sum of its proper divisors (2098175300).

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

1442525500 is a wasteful number, since it uses less digits than its factorization.

1442525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9704 (or 9692 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1442525500 is about 37980.5937289032. The cubic root of 1442525500 is about 1129.9030120115.

Adding to 1442525500 its reverse (55252441), we get a palindrome (1497777941).

The spelling of 1442525500 in words is "one billion, four hundred forty-two million, five hundred twenty-five thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 23 25 26 46 50 52 65 92 100 115 125 130 230 250 260 299 325 460 500 575 598 650 1150 1196 1300 1495 1625 2300 2875 2990 3250 5750 5980 6500 7475 9649 11500 14950 19298 29900 37375 38596 48245 74750 96490 125437 149500 192980 221927 241225 250874 443854 482450 501748 627185 887708 964900 1109635 1206125 1254370 2219270 2412250 2508740 2885051 3135925 4438540 4824500 5548175 5770102 6271850 11096350 11540204 12543700 14425255 15679625 22192700 27740875 28850510 31359250 55481750 57701020 62718500 72126275 110963500 144252550 288505100 360631375 721262750 1442525500