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985480 = 23571347
BaseRepresentation
bin11110000100110001000
31212001211021
43300212020
5223013410
633042224
711243056
oct3604610
91761737
10985480
11613451
123b6374
13286732
141b91d6
15146eda
hexf0988

985480 has 32 divisors (see below), whose sum is σ = 2255040. Its totient is φ = 387520.

The previous prime is 985471. The next prime is 985483. The reversal of 985480 is 84589.

It is not an unprimeable number, because it can be changed into a prime (985483) by changing a digit.

985480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2667 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (70470).

2985480 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 985480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127520).

985480 is an abundant number, since it is smaller than the sum of its proper divisors (1269560).

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

985480 is a wasteful number, since it uses less digits than its factorization.

985480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 985480 is about 992.7134531173. The cubic root of 985480 is about 99.5136383585.

The spelling of 985480 in words is "nine hundred eighty-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 347 355 568 694 710 1388 1420 1735 2776 2840 3470 6940 13880 24637 49274 98548 123185 197096 246370 492740 985480