Search a number
-
+
90936576 = 2832291361
BaseRepresentation
bin1010110101110…
…01010100000000
320100010001112100
411122321110000
5141234432301
613005030400
72152643133
oct532712400
9210101470
1090936576
1147370aa5
1226555400
1315abc333
14c11221a
157eb4286
hex56b9500

90936576 has 108 divisors (see below), whose sum is σ = 271432980. Its totient is φ = 29245440.

The previous prime is 90936541. The next prime is 90936581. The reversal of 90936576 is 67563909.

It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 60466176 = 5520^2 + 7776^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66136 + ... + 67496.

Almost surely, 290936576 is an apocalyptic number.

90936576 is a gapful number since it is divisible by the number (96) 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 90936576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135716490).

90936576 is an abundant number, since it is smaller than the sum of its proper divisors (180496404).

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

90936576 is a wasteful number, since it uses less digits than its factorization.

90936576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 90936576 is about 9536.0671138578. The cubic root of 90936576 is about 449.6896230110.

The spelling of 90936576 in words is "ninety million, nine hundred thirty-six thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 522 576 696 768 928 1044 1152 1361 1392 1856 2088 2304 2722 2784 3712 4083 4176 5444 5568 7424 8166 8352 10888 11136 12249 16332 16704 21776 22272 24498 32664 33408 39469 43552 48996 65328 66816 78938 87104 97992 118407 130656 157876 174208 195984 236814 261312 315752 348416 355221 391968 473628 522624 631504 710442 783936 947256 1045248 1263008 1420884 1567872 1894512 2526016 2841768 3135744 3789024 5052032 5683536 7578048 10104064 11367072 15156096 22734144 30312192 45468288 90936576