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537142572 = 223214920627
BaseRepresentation
bin100000000001000…
…010010100101100
31101102201200002100
4200001002110230
52100002030242
6125144455100
716211431221
oct4001022454
91342650070
10537142572
1125622618a
1212ba7a490
138738b155
14514a3948
153225354c
hex2004252c

537142572 has 18 divisors (see below), whose sum is σ = 1357777148. Its totient is φ = 179047512.

The previous prime is 537142547. The next prime is 537142601. The reversal of 537142572 is 275241735.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14920627 = 537142572 / (5 + 3 + 7 + 1 + 4 + 2 + 5 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7460278 + ... + 7460349.

Almost surely, 2537142572 is an apocalyptic number.

It is an amenable number.

537142572 is an abundant number, since it is smaller than the sum of its proper divisors (820634576).

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

537142572 is a wasteful number, since it uses less digits than its factorization.

537142572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14920637 (or 14920632 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 537142572 is about 23176.3364663184. The cubic root of 537142572 is about 812.8864008886.

The spelling of 537142572 in words is "five hundred thirty-seven million, one hundred forty-two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 14920627 29841254 44761881 59682508 89523762 134285643 179047524 268571286 537142572