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98764240 = 2457971549
BaseRepresentation
bin1011110001100…
…00010111010000
320212211202001211
411320300113100
5200240423430
613444505504
72306324251
oct570602720
9225752054
1098764240
1150828043
12290ab294
13176001a3
14d18cb28
158a0d72a
hex5e305d0

98764240 has 40 divisors (see below), whose sum is σ = 230063400. Its totient is φ = 39430656.

The previous prime is 98764219. The next prime is 98764241. The reversal of 98764240 is 4246789.

It can be written as a sum of positive squares in 4 ways, for example, as 5216656 + 93547584 = 2284^2 + 9672^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 98764193 and 98764202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98764241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62986 + ... + 64534.

It is an arithmetic number, because the mean of its divisors is an integer number (5751585).

Almost surely, 298764240 is an apocalyptic number.

It is an amenable number.

98764240 is an abundant number, since it is smaller than the sum of its proper divisors (131299160).

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

98764240 is a wasteful number, since it uses less digits than its factorization.

98764240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 98764240 is about 9938.0199235059. The cubic root of 98764240 is about 462.2389898106.

The spelling of 98764240 in words is "ninety-eight million, seven hundred sixty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 797 1549 1594 3098 3188 3985 6196 6376 7745 7970 12392 12752 15490 15940 24784 30980 31880 61960 63760 123920 1234553 2469106 4938212 6172765 9876424 12345530 19752848 24691060 49382120 98764240