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874398240 = 25345195367
BaseRepresentation
bin110100000111100…
…100001000100000
32020221100000220000
4310013210020200
53242321220430
6222433220000
730445156002
oct6407441040
92227300800
10874398240
11409636381
12204a01600
1310c201611
14841b4372
1551b70e60
hex341e4220

874398240 has 480 divisors, whose sum is σ = 3358998720. Its totient is φ = 213497856.

The previous prime is 874398233. The next prime is 874398241. The reversal of 874398240 is 42893478.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is not an unprimeable number, because it can be changed into a prime (874398241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13050687 + ... + 13050753.

It is an arithmetic number, because the mean of its divisors is an integer number (6997914).

Almost surely, 2874398240 is an apocalyptic number.

874398240 is a gapful number since it is divisible by the number (80) 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 874398240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679499360).

874398240 is an abundant number, since it is smaller than the sum of its proper divisors (2484600480).

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

874398240 is a wasteful number, since it uses less digits than its factorization.

874398240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 874398240 is about 29570.2255655922. The cubic root of 874398240 is about 956.2462791089.

The spelling of 874398240 in words is "eight hundred seventy-four million, three hundred ninety-eight thousand, two hundred forty".