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742532534 = 27915131123
BaseRepresentation
bin101100010000100…
…010010110110110
31220202012120010222
4230100202112312
53010042020114
6201403014342
724254264612
oct5420422666
91822176128
10742532534
1135115a757
1218880a3b2
13baab1883
147088a342
15452c498e
hex2c4225b6

742532534 has 16 divisors (see below), whose sum is σ = 1135403520. Its totient is φ = 364127400.

The previous prime is 742532533. The next prime is 742532537. The reversal of 742532534 is 435235247.

It is a super-2 number, since 2×7425325342 = 1102709128096922312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 742532494 and 742532503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742532533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8297 + ... + 39419.

It is an arithmetic number, because the mean of its divisors is an integer number (70962720).

Almost surely, 2742532534 is an apocalyptic number.

742532534 is a deficient number, since it is larger than the sum of its proper divisors (392870986).

742532534 is a wasteful number, since it uses less digits than its factorization.

742532534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31355.

The product of its digits is 100800, while the sum is 35.

The square root of 742532534 is about 27249.4501595904. The cubic root of 742532534 is about 905.5348360235.

The spelling of 742532534 in words is "seven hundred forty-two million, five hundred thirty-two thousand, five hundred thirty-four".

Divisors: 1 2 79 151 158 302 11929 23858 31123 62246 2458717 4699573 4917434 9399146 371266267 742532534