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1464155069 = 13112627313
BaseRepresentation
bin101011101000101…
…0011101110111101
310210001001210011112
41113101103232331
510444310430234
6401141531405
751166053446
oct12721235675
93701053145
101464155069
11691528413
1234a413b65
131a4451a60
14dc6522cd
1588818ace
hex57453bbd

1464155069 has 4 divisors (see below), whose sum is σ = 1576782396. Its totient is φ = 1351527744.

The previous prime is 1464155027. The next prime is 1464155071. The reversal of 1464155069 is 9605514641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 999192100 + 464962969 = 31610^2 + 21563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464155069 - 212 = 1464150973 is a prime.

It is a super-2 number, since 2×14641550692 = 4287500132156789522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464155669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56313644 + ... + 56313669.

It is an arithmetic number, because the mean of its divisors is an integer number (394195599).

Almost surely, 21464155069 is an apocalyptic number.

It is an amenable number.

1464155069 is a deficient number, since it is larger than the sum of its proper divisors (112627327).

1464155069 is a wasteful number, since it uses less digits than its factorization.

1464155069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112627326.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1464155069 is about 38264.2792823803. The cubic root of 1464155069 is about 1135.5223633959.

The spelling of 1464155069 in words is "one billion, four hundred sixty-four million, one hundred fifty-five thousand, sixty-nine".

Divisors: 1 13 112627313 1464155069