Search a number
-
+
98423040 = 283519271
BaseRepresentation
bin1011101110111…
…01000100000000
320212012102000210
411313131010000
5200144014130
613433314120
72303403432
oct567350400
9225172023
1098423040
1150614761
1228b65940
1317510ab1
14d100652
1589925b0
hex5ddd100

98423040 has 216 divisors, whose sum is σ = 336426048. Its totient is φ = 24514560.

The previous prime is 98423027. The next prime is 98423041. The reversal of 98423040 is 4032489.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 98422989 and 98423007.

It is not an unprimeable number, because it can be changed into a prime (98423041) 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, 1386205 + ... + 1386275.

It is an arithmetic number, because the mean of its divisors is an integer number (1557528).

Almost surely, 298423040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168213024).

98423040 is an abundant number, since it is smaller than the sum of its proper divisors (238003008).

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

98423040 is a wasteful number, since it uses less digits than its factorization.

98423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 98423040 is about 9920.8386742251. The cubic root of 98423040 is about 461.7060779230.

The spelling of 98423040 in words is "ninety-eight million, four hundred twenty-three thousand, forty".