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1470128538 = 23793101537
BaseRepresentation
bin101011110100000…
…0110000110011010
310210110022021020010
41113220012012122
511002323103123
6401513542350
751300613014
oct12750060632
93713267203
101470128538
1169493836a
123504149b6
131a5763958
14dd3691b4
15890e8993
hex57a0619a

1470128538 has 16 divisors (see below), whose sum is σ = 2977476480. Its totient is φ = 483839616.

The previous prime is 1470128519. The next prime is 1470128563. The reversal of 1470128538 is 8358210741.

It is a super-2 number, since 2×14701285382 = 4322555836484034888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1470128496 and 1470128505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550295 + ... + 1551242.

It is an arithmetic number, because the mean of its divisors is an integer number (186092280).

Almost surely, 21470128538 is an apocalyptic number.

1470128538 is an abundant number, since it is smaller than the sum of its proper divisors (1507347942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1470128538 is a wasteful number, since it uses less digits than its factorization.

1470128538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101621.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1470128538 is about 38342.2552544839. The cubic root of 1470128538 is about 1137.0645051583.

The spelling of 1470128538 in words is "one billion, four hundred seventy million, one hundred twenty-eight thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 79 158 237 474 3101537 6203074 9304611 18609222 245021423 490042846 735064269 1470128538