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538609824 = 2534207797
BaseRepresentation
bin100000000110101…
…000100010100000
31101112111012210000
4200012220202200
52100341003244
6125240140000
716230052014
oct4006504240
91345435700
10538609824
11257038595
12130467600
1387782c4c
1451766544
1532443169
hex201a88a0

538609824 has 60 divisors (see below), whose sum is σ = 1584044154. Its totient is φ = 179535744.

The previous prime is 538609817. The next prime is 538609829. The reversal of 538609824 is 428906835.

538609824 is a `hidden beast` number, since 5 + 38 + 609 + 8 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 317552400 + 221057424 = 17820^2 + 14868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 538609824.

It is not an unprimeable number, because it can be changed into a prime (538609829) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 101307 + ... + 106490.

Almost surely, 2538609824 is an apocalyptic number.

538609824 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

538609824 is an abundant number, since it is smaller than the sum of its proper divisors (1045434330).

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

538609824 is a wasteful number, since it uses less digits than its factorization.

538609824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207819 (or 207802 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 538609824 is about 23207.9689761944. The cubic root of 538609824 is about 813.6258847848.

The spelling of 538609824 in words is "five hundred thirty-eight million, six hundred nine thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 207797 415594 623391 831188 1246782 1662376 1870173 2493564 3324752 3740346 4987128 5610519 6649504 7480692 9974256 11221038 14961384 16831557 19948512 22442076 29922768 33663114 44884152 59845536 67326228 89768304 134652456 179536608 269304912 538609824