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100534025 = 52137149197
BaseRepresentation
bin1011111111000…
…00011100001001
321000011122202102
411333200130021
5201214042100
613550443145
72330345054
oct577403411
9230148672
10100534025
1151826779
12298034b5
1317a9c8b7
14d4cda9b
158c5ccd5
hex5fe0709

100534025 has 24 divisors (see below), whose sum is σ = 127056600. Its totient is φ = 78901760.

The previous prime is 100534013. The next prime is 100534033. The reversal of 100534025 is 520435001.

It can be written as a sum of positive squares in 12 ways, for example, as 14341369 + 86192656 = 3787^2 + 9284^2 .

It is a de Polignac number, because none of the positive numbers 2k-100534025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100533988 and 100534006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510227 + ... + 510423.

It is an arithmetic number, because the mean of its divisors is an integer number (5294025).

Almost surely, 2100534025 is an apocalyptic number.

It is an amenable number.

100534025 is a deficient number, since it is larger than the sum of its proper divisors (26522575).

100534025 is a wasteful number, since it uses less digits than its factorization.

100534025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 100534025 is about 10026.6656970301. The cubic root of 100534025 is about 464.9836584229.

Adding to 100534025 its reverse (520435001), we get a palindrome (620969026).

The spelling of 100534025 in words is "one hundred million, five hundred thirty-four thousand, twenty-five".

Divisors: 1 5 25 137 149 197 685 745 985 3425 3725 4925 20413 26989 29353 102065 134945 146765 510325 674725 733825 4021361 20106805 100534025