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1534387067 = 3161780221
BaseRepresentation
bin101101101110100…
…1110001101111011
310221221012221100122
41123131032031323
511120300341232
6412131123455
753011034453
oct13335161573
93857187318
101534387067
11718137794
12369a4358b
131b5b72055
14107ad4d63
158ea8d312
hex5b74e37b

1534387067 has 8 divisors (see below), whose sum is σ = 1586470272. Its totient is φ = 1482465600.

The previous prime is 1534387061. The next prime is 1534387069. The reversal of 1534387067 is 7607834351.

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

It is a cyclic number.

It is not a de Polignac number, because 1534387067 - 210 = 1534386043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534387061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20984 + ... + 59237.

It is an arithmetic number, because the mean of its divisors is an integer number (198308784).

Almost surely, 21534387067 is an apocalyptic number.

1534387067 is a deficient number, since it is larger than the sum of its proper divisors (52083205).

1534387067 is an equidigital number, since it uses as much as digits as its factorization.

1534387067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80869.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 1534387067 is about 39171.2530690556. The cubic root of 1534387067 is about 1153.3956516180.

The spelling of 1534387067 in words is "one billion, five hundred thirty-four million, three hundred eighty-seven thousand, sixty-seven".

Divisors: 1 31 617 19127 80221 2486851 49496357 1534387067