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98075645 = 552137649
BaseRepresentation
bin1011101100010…
…00001111111101
320211112202111022
411312020033331
5200101410040
613422033525
72300425553
oct566101775
9224482438
1098075645
11503a7758
1228a188a5
131741b935
14d04dbd3
1589246b5
hex5d883fd

98075645 has 8 divisors (see below), whose sum is σ = 117919800. Its totient is φ = 78307840.

The previous prime is 98075591. The next prime is 98075683. The reversal of 98075645 is 54657089.

It can be written as a sum of positive squares in 4 ways, for example, as 22629049 + 75446596 = 4757^2 + 8686^2 .

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

It is not a de Polignac number, because 98075645 - 26 = 98075581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98075596 and 98075605.

It is a congruent number.

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, 16220 + ... + 21429.

It is an arithmetic number, because the mean of its divisors is an integer number (14739975).

Almost surely, 298075645 is an apocalyptic number.

It is an amenable number.

98075645 is a deficient number, since it is larger than the sum of its proper divisors (19844155).

98075645 is a wasteful number, since it uses less digits than its factorization.

98075645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38175.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 98075645 is about 9903.3148490796. The cubic root of 98075645 is about 461.1622233413.

It can be divided in two parts, 980 and 75645, that multiplied together give a square (74132100 = 86102).

The spelling of 98075645 in words is "ninety-eight million, seventy-five thousand, six hundred forty-five".

Divisors: 1 5 521 2605 37649 188245 19615129 98075645