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98217040 = 2451227713
BaseRepresentation
bin1011101101010…
…10110001010000
320211210221110011
411312222301100
5200120421130
613425044304
72301555025
oct566526120
9224727404
1098217040
1150493a09
1228a86694
131746b0bc
14d08954c
15895152a
hex5daac50

98217040 has 20 divisors (see below), whose sum is σ = 228354804. Its totient is φ = 39286784.

The previous prime is 98217013. The next prime is 98217071. The reversal of 98217040 is 4071289.

It can be written as a sum of positive squares in 2 ways, for example, as 78074896 + 20142144 = 8836^2 + 4488^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 98216993 and 98217011.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 613777 + ... + 613936.

Almost surely, 298217040 is an apocalyptic number.

It is an amenable number.

98217040 is an abundant number, since it is smaller than the sum of its proper divisors (130137764).

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

98217040 is a wasteful number, since it uses less digits than its factorization.

98217040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227726 (or 1227720 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 98217040 is about 9910.4510492712. The cubic root of 98217040 is about 461.3837350868.

It can be divided in two parts, 9821 and 7040, that added together give a palindrome (16861).

The spelling of 98217040 in words is "ninety-eight million, two hundred seventeen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1227713 2455426 4910852 6138565 9821704 12277130 19643408 24554260 49108520 98217040