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1530140467 = 9803156089
BaseRepresentation
bin101101100110100…
…0001011100110011
310221122020012010011
41123031001130303
511113203443332
6411500115351
752626656632
oct13315013463
93848205104
101530140467
117157a71a9
12368535b57
131b501617b
1410730b519
158e4eee47
hex5b341733

1530140467 has 4 divisors (see below), whose sum is σ = 1530306360. Its totient is φ = 1529974576.

The previous prime is 1530140453. The next prime is 1530140473. The reversal of 1530140467 is 7640410351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530140467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530140407) 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, 68242 + ... + 87847.

It is an arithmetic number, because the mean of its divisors is an integer number (382576590).

Almost surely, 21530140467 is an apocalyptic number.

1530140467 is a deficient number, since it is larger than the sum of its proper divisors (165893).

1530140467 is an equidigital number, since it uses as much as digits as its factorization.

1530140467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165892.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1530140467 is about 39117.0099445241. The cubic root of 1530140467 is about 1152.3306149333.

The spelling of 1530140467 in words is "one billion, five hundred thirty million, one hundred forty thousand, four hundred sixty-seven".

Divisors: 1 9803 156089 1530140467