Search a number
-
+
87472896 = 283753307
BaseRepresentation
bin1010011011010…
…11101100000000
320002121002020220
411031223230000
5134343113041
612402503040
72111336010
oct515535400
9202532226
1087472896
1145415755
1225364a80
1315178914
14b88dc40
157a2cd66
hex536bb00

87472896 has 144 divisors (see below), whose sum is σ = 271966464. Its totient is φ = 24440832.

The previous prime is 87472877. The next prime is 87472897. The reversal of 87472896 is 69827478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87472897) 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, 284775 + ... + 285081.

It is an arithmetic number, because the mean of its divisors is an integer number (1888656).

Almost surely, 287472896 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 87472896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135983232).

87472896 is an abundant number, since it is smaller than the sum of its proper divisors (184493568).

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

87472896 is a wasteful number, since it uses less digits than its factorization.

87472896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 372 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 87472896 is about 9352.6945849846. The cubic root of 87472896 is about 443.9061566135.

The spelling of 87472896 in words is "eighty-seven million, four hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 53 56 64 84 96 106 112 128 159 168 192 212 224 256 307 318 336 371 384 424 448 614 636 672 742 768 848 896 921 1113 1228 1272 1344 1484 1696 1792 1842 2149 2226 2456 2544 2688 2968 3392 3684 4298 4452 4912 5088 5376 5936 6447 6784 7368 8596 8904 9824 10176 11872 12894 13568 14736 16271 17192 17808 19648 20352 23744 25788 29472 32542 34384 35616 39296 40704 47488 48813 51576 58944 65084 68768 71232 78592 94976 97626 103152 113897 117888 130168 137536 142464 195252 206304 227794 235776 260336 275072 284928 341691 390504 412608 455588 520672 550144 683382 781008 825216 911176 1041344 1366764 1562016 1650432 1822352 2082688 2733528 3124032 3644704 4165376 5467056 6248064 7289408 10934112 12496128 14578816 21868224 29157632 43736448 87472896