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842798880 = 253257112691
BaseRepresentation
bin110010001111000…
…001011100100000
32011201212121201100
4302033001130200
53211224031010
6215344034400
726612446410
oct6217013440
92151777640
10842798880
113a2813300
121b6302a00
131057b9681
147dd0a640
154decd2c0
hex323c1720

842798880 has 432 divisors, whose sum is σ = 3618119232. Its totient is φ = 174873600.

The previous prime is 842798863. The next prime is 842798881. The reversal of 842798880 is 88897248.

It is not an unprimeable number, because it can be changed into a prime (842798881) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1219335 + ... + 1220025.

It is an arithmetic number, because the mean of its divisors is an integer number (8375276).

Almost surely, 2842798880 is an apocalyptic number.

842798880 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 842798880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809059616).

842798880 is an abundant number, since it is smaller than the sum of its proper divisors (2775320352).

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

842798880 is a wasteful number, since it uses less digits than its factorization.

842798880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 842798880 is about 29030.9986049395. The cubic root of 842798880 is about 944.5855913716.

The spelling of 842798880 in words is "eight hundred forty-two million, seven hundred ninety-eight thousand, eight hundred eighty".