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89280244804 = 221493992
BaseRepresentation
bin101001100100110000…
…1000110110001000100
322112110002112100121111
41103021201012301010
52430321220313204
6105003105254404
76310306362622
oct1231141066104
9275402470544
1089280244804
1134955409393
1215377934404
13855a98702a
14446d4a0512
1524c80a5d04
hex14c9846c44

89280244804 has 9 divisors (see below), whose sum is σ = 156241474207. Its totient is φ = 44639823604.

The previous prime is 89280244787. The next prime is 89280244901. The reversal of 89280244804 is 40844208298.

It is a happy number.

The square root of 89280244804 is 298798.

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

It is a super-2 number, since 2×892802448042 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 522897 + ... + 672295.

Almost surely, 289280244804 is an apocalyptic number.

89280244804 is the 298798-th square number.

It is an amenable number.

89280244804 is a deficient number, since it is larger than the sum of its proper divisors (66961229403).

89280244804 is an frugal number, since it uses more digits than its factorization.

89280244804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298802 (or 149401 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 49.

Multiplying 89280244804 by its sum of digits (49), we get a square (4374731995396 = 20915862).

It can be divided in two parts, 89280 and 244804, that added together give a square (334084 = 5782).

The spelling of 89280244804 in words is "eighty-nine billion, two hundred eighty million, two hundred forty-four thousand, eight hundred four".

Divisors: 1 2 4 149399 298798 597596 22320061201 44640122402 89280244804