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162130045 = 57113731129
BaseRepresentation
bin10011010100111…
…10100001111101
3102022002001121111
421222132201331
5313001130140
624031002021
74006040230
oct1152364175
9368061544
10162130045
1183577780
1246369311
132778814c
1417765417
15e3787ea
hex9a9e87d

162130045 has 32 divisors (see below), whose sum is σ = 243429120. Its totient is φ = 100707840.

The previous prime is 162130043. The next prime is 162130057. The reversal of 162130045 is 540031261.

It is not a de Polignac number, because 162130045 - 21 = 162130043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162129998 and 162130025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162130043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143041 + ... + 144169.

It is an arithmetic number, because the mean of its divisors is an integer number (7607160).

Almost surely, 2162130045 is an apocalyptic number.

It is an amenable number.

162130045 is a deficient number, since it is larger than the sum of its proper divisors (81299075).

162130045 is a wasteful number, since it uses less digits than its factorization.

162130045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

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

The square root of 162130045 is about 12733.0296866064. The cubic root of 162130045 is about 545.2820076299.

The spelling of 162130045 in words is "one hundred sixty-two million, one hundred thirty thousand, forty-five".

Divisors: 1 5 7 11 35 55 77 373 385 1129 1865 2611 4103 5645 7903 12419 13055 20515 28721 39515 62095 86933 143605 421117 434665 2105585 2947819 4632287 14739095 23161435 32426009 162130045