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538724196 = 22351035381
BaseRepresentation
bin100000000111000…
…100011101100100
31101112201000200000
4200013010131210
52100403133241
6125242421300
716231036323
oct4007043544
91345630600
10538724196
1125710650a
12130501830
13877c301a
14517960ba
1532466eb6
hex201c4764

538724196 has 72 divisors (see below), whose sum is σ = 1426186944. Its totient is φ = 177798240.

The previous prime is 538724183. The next prime is 538724227. The reversal of 538724196 is 691427835.

538724196 is a `hidden beast` number, since 538 + 7 + 24 + 1 + 96 = 666.

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 23 ways as a sum of consecutive naturals, for example, 97426 + ... + 102806.

It is an arithmetic number, because the mean of its divisors is an integer number (19808152).

Almost surely, 2538724196 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 538724196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713093472).

538724196 is an abundant number, since it is smaller than the sum of its proper divisors (887462748).

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

538724196 is a wasteful number, since it uses less digits than its factorization.

538724196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5489 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 538724196 is about 23210.4329128088. The cubic root of 538724196 is about 813.6834709568.

The spelling of 538724196 in words is "five hundred thirty-eight million, seven hundred twenty-four thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 103 108 162 206 243 309 324 412 486 618 927 972 1236 1854 2781 3708 5381 5562 8343 10762 11124 16143 16686 21524 25029 32286 33372 48429 50058 64572 96858 100116 145287 193716 290574 435861 554243 581148 871722 1108486 1307583 1662729 1743444 2216972 2615166 3325458 4988187 5230332 6650916 9976374 14964561 19952748 29929122 44893683 59858244 89787366 134681049 179574732 269362098 538724196