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98114905 = 5721723557
BaseRepresentation
bin1011101100100…
…01110101011001
320211121202100101
411312101311121
5200104134110
613422535401
72300651200
oct566216531
9224552311
1098114905
11504241a9
1228a37561
1317433775
14d060237
15893113a
hex5d91d59

98114905 has 24 divisors (see below), whose sum is σ = 145023048. Its totient is φ = 63318528.

The previous prime is 98114903. The next prime is 98114909. The reversal of 98114905 is 50941189.

It can be written as a sum of positive squares in 4 ways, for example, as 974169 + 97140736 = 987^2 + 9856^2 .

It is not a de Polignac number, because 98114905 - 21 = 98114903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98114903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7614 + ... + 15943.

It is an arithmetic number, because the mean of its divisors is an integer number (6042627).

Almost surely, 298114905 is an apocalyptic number.

It is an amenable number.

98114905 is a deficient number, since it is larger than the sum of its proper divisors (46908143).

98114905 is a wasteful number, since it uses less digits than its factorization.

98114905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23593 (or 23586 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 98114905 is about 9905.2968153408. The cubic root of 98114905 is about 461.2237500454.

It can be divided in two parts, 9811 and 4905, that multiplied together give a triangular number (48122955 = T9810).

The spelling of 98114905 in words is "ninety-eight million, one hundred fourteen thousand, nine hundred five".

Divisors: 1 5 7 17 35 49 85 119 245 595 833 4165 23557 117785 164899 400469 824495 1154293 2002345 2803283 5771465 14016415 19622981 98114905