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530061142 = 21320386967
BaseRepresentation
bin11111100110000…
…001011101010110
31100221101220012011
4133212001131112
52041143424032
6124333014434
716064305522
oct3746013526
91327356164
10530061142
11252229866
1212962441a
1385a7bb60
145057cd82
1531805247
hex1f981756

530061142 has 8 divisors (see below), whose sum is σ = 856252656. Its totient is φ = 244643592.

The previous prime is 530061121. The next prime is 530061143. The reversal of 530061142 is 241160035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530061143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10193458 + ... + 10193509.

It is an arithmetic number, because the mean of its divisors is an integer number (107031582).

Almost surely, 2530061142 is an apocalyptic number.

530061142 is a deficient number, since it is larger than the sum of its proper divisors (326191514).

530061142 is a wasteful number, since it uses less digits than its factorization.

530061142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20386982.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 530061142 is about 23023.0567475303. The cubic root of 530061142 is about 809.2983518935.

The spelling of 530061142 in words is "five hundred thirty million, sixty-one thousand, one hundred forty-two".

Divisors: 1 2 13 26 20386967 40773934 265030571 530061142