Search a number
-
+
90837552 = 24313149977
BaseRepresentation
bin1010110101000…
…01001000110000
320022221000200210
411122201020300
5141223300202
613002544120
72152051341
oct532411060
9208830623
1090837552
1147303663
1226508040
1315a86240
14c0c80c8
157e94c6c
hex56a1230

90837552 has 80 divisors (see below), whose sum is σ = 254671200. Its totient is φ = 27734016.

The previous prime is 90837529. The next prime is 90837559. The reversal of 90837552 is 25573809.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 90837552.

It is not an unprimeable number, because it can be changed into a prime (90837559) 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, 92488 + ... + 93464.

It is an arithmetic number, because the mean of its divisors is an integer number (3183390).

Almost surely, 290837552 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 90837552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127335600).

90837552 is an abundant number, since it is smaller than the sum of its proper divisors (163833648).

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

90837552 is a wasteful number, since it uses less digits than its factorization.

90837552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 90837552 is about 9530.8736220768. The cubic root of 90837552 is about 449.5263361708.

The spelling of 90837552 in words is "ninety million, eight hundred thirty-seven thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 149 156 208 298 312 447 596 624 894 977 1192 1788 1937 1954 2384 2931 3576 3874 3908 5811 5862 7152 7748 7816 11622 11724 12701 15496 15632 23244 23448 25402 30992 38103 46488 46896 50804 76206 92976 101608 145573 152412 203216 291146 304824 436719 582292 609648 873438 1164584 1746876 1892449 2329168 3493752 3784898 5677347 6987504 7569796 11354694 15139592 22709388 30279184 45418776 90837552