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285416352 = 25331325411
BaseRepresentation
bin10001000000110…
…001101110100000
3201220001122122000
4101000301232200
51041031310402
644153244000
710033666434
oct2100615640
9656048560
10285416352
11137123591
127b703600
1347192b20
1429c989c4
151a0ccc1c
hex11031ba0

285416352 has 96 divisors (see below), whose sum is σ = 896535360. Its totient is φ = 87816960.

The previous prime is 285416311. The next prime is 285416353. The reversal of 285416352 is 253614582.

285416352 is a `hidden beast` number, since 2 + 8 + 541 + 63 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (285416353) 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, 1474 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (9338910).

Almost surely, 2285416352 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 285416352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448267680).

285416352 is an abundant number, since it is smaller than the sum of its proper divisors (611119008).

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

285416352 is a wasteful number, since it uses less digits than its factorization.

285416352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443 (or 25429 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 285416352 is about 16894.2697977746. The cubic root of 285416352 is about 658.4047423190.

The spelling of 285416352 in words is "two hundred eighty-five million, four hundred sixteen thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 208 216 234 288 312 351 416 432 468 624 702 864 936 1248 1404 1872 2808 3744 5616 11232 25411 50822 76233 101644 152466 203288 228699 304932 330343 406576 457398 609864 660686 686097 813152 914796 991029 1219728 1321372 1372194 1829592 1982058 2439456 2642744 2744388 2973087 3659184 3964116 5285488 5488776 5946174 7318368 7928232 8919261 10570976 10977552 11892348 15856464 17838522 21955104 23784696 31712928 35677044 47569392 71354088 95138784 142708176 285416352