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90825082384 = 2459212772
BaseRepresentation
bin101010010010110011…
…0001100011000010000
322200102202102020101011
41110211212030120100
52442002210114014
6105420252420304
76363505314361
oct1244546143020
9280382366334
1090825082384
1135578433763
1215729177694
138745a479ca
144578715b68
152568a0a7c4
hex152598c610

90825082384 has 45 divisors (see below), whose sum is σ = 179147040397. Its totient is φ = 44607877952.

The previous prime is 90825082379. The next prime is 90825082393. The reversal of 90825082384 is 48328052809.

It is a happy number.

The square root of 90825082384 is 301372.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 59662947600 + 31162134784 = 244260^2 + 176528^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 71123154 + ... + 71124430.

Almost surely, 290825082384 is an apocalyptic number.

90825082384 is the 301372-nd square number.

It is an amenable number.

90825082384 is a deficient number, since it is larger than the sum of its proper divisors (88321958013).

90825082384 is an frugal number, since it uses more digits than its factorization.

90825082384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

Multiplying 90825082384 by its sum of digits (49), we get a square (4450429036816 = 21096042).

The spelling of 90825082384 in words is "ninety billion, eight hundred twenty-five million, eighty-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 59 118 236 472 944 1277 2554 3481 5108 6962 10216 13924 20432 27848 55696 75343 150686 301372 602744 1205488 1630729 3261458 4445237 6522916 8890474 13045832 17780948 26091664 35561896 71123792 96213011 192426022 384852044 769704088 1539408176 5676567649 11353135298 22706270596 45412541192 90825082384