Search a number
-
+
98720012 = 22106923087
BaseRepresentation
bin1011110001001…
…01100100001100
320212202111101202
411320211210030
5200233020022
613443525032
72306051306
oct570454414
9225674352
1098720012
11507a7896
1229089778
13175b6011
14d17a976
158a00592
hex5e2590c

98720012 has 12 divisors (see below), whose sum is σ = 172929120. Its totient is φ = 49311696.

The previous prime is 98720009. The next prime is 98720023. The reversal of 98720012 is 21002789.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7268 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (14410760).

Almost surely, 298720012 is an apocalyptic number.

It is an amenable number.

98720012 is a deficient number, since it is larger than the sum of its proper divisors (74209108).

98720012 is a wasteful number, since it uses less digits than its factorization.

98720012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24160 (or 24158 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 98720012 is about 9935.7944825766. The cubic root of 98720012 is about 462.1699804927.

The spelling of 98720012 in words is "ninety-eight million, seven hundred twenty thousand, twelve".

Divisors: 1 2 4 1069 2138 4276 23087 46174 92348 24680003 49360006 98720012