Search a number
-
+
798245280 = 2535572419
BaseRepresentation
bin101111100101000…
…100000110100000
32001122001001200000
4233211010012200
53113322322110
6211113100000
725531654500
oct5745040640
92048031600
10798245280
1137a652548
121a33b7600
13c94ba2b1
147802da00
154a12c1c0
hex2f9441a0

798245280 has 432 divisors, whose sum is σ = 3293952480. Its totient is φ = 182020608.

The previous prime is 798245269. The next prime is 798245293. The reversal of 798245280 is 82542897.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1904911 + ... + 1905329.

It is an arithmetic number, because the mean of its divisors is an integer number (7624890).

Almost surely, 2798245280 is an apocalyptic number.

798245280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798245280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646976240).

798245280 is an abundant number, since it is smaller than the sum of its proper divisors (2495707200).

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

798245280 is a wasteful number, since it uses less digits than its factorization.

798245280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 798245280 is about 28253.2348590387. The cubic root of 798245280 is about 927.6385458160.

The spelling of 798245280 in words is "seven hundred ninety-eight million, two hundred forty-five thousand, two hundred eighty".