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1528843141 = 72953142099
BaseRepresentation
bin101101100100000…
…0100101110000101
310221112210021112001
41123020010232011
511112340440031
6411412225301
752612644430
oct13310045605
93845707461
101528843141
11714aa0531
1236800b231
131b4980817
14107090817
158e345861
hex5b204b85

1528843141 has 16 divisors (see below), whose sum is σ = 1841616000. Its totient is φ = 1241368128.

The previous prime is 1528843123. The next prime is 1528843153. The reversal of 1528843141 is 1413488251.

It is not a de Polignac number, because 1528843141 - 213 = 1528834949 is a prime.

It is a super-2 number, since 2×15288431412 = 4674722699565491762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1528843141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528846141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60291 + ... + 81808.

It is an arithmetic number, because the mean of its divisors is an integer number (115101000).

Almost surely, 21528843141 is an apocalyptic number.

It is an amenable number.

1528843141 is a deficient number, since it is larger than the sum of its proper divisors (312772859).

1528843141 is a wasteful number, since it uses less digits than its factorization.

1528843141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142188.

The product of its digits is 30720, while the sum is 37.

The square root of 1528843141 is about 39100.4237956573. The cubic root of 1528843141 is about 1152.0048559165.

It can be divided in two parts, 152884 and 3141, that added together give a square (156025 = 3952).

The spelling of 1528843141 in words is "one billion, five hundred twenty-eight million, eight hundred forty-three thousand, one hundred forty-one".

Divisors: 1 7 29 53 203 371 1537 10759 142099 994693 4120871 7531247 28846097 52718729 218406163 1528843141