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160204420 = 2258010221
BaseRepresentation
bin10011000110010…
…00011010000100
3102011110020011001
421203020122010
5312003020140
623521423044
73653500165
oct1143103204
9364406131
10160204420
1182481a52
124579aa84
132726281c
14173c376c
15e0e7e9a
hex98c8684

160204420 has 12 divisors (see below), whose sum is σ = 336429324. Its totient is φ = 64081760.

The previous prime is 160204417. The next prime is 160204423. The reversal of 160204420 is 24402061.

It is an interprime number because it is at equal distance from previous prime (160204417) and next prime (160204423).

It can be written as a sum of positive squares in 2 ways, for example, as 68657796 + 91546624 = 8286^2 + 9568^2 .

It is not an unprimeable number, because it can be changed into a prime (160204423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4005091 + ... + 4005130.

It is an arithmetic number, because the mean of its divisors is an integer number (28035777).

Almost surely, 2160204420 is an apocalyptic number.

160204420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160204420 is an abundant number, since it is smaller than the sum of its proper divisors (176224904).

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

160204420 is a wasteful number, since it uses less digits than its factorization.

160204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010230 (or 8010228 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 160204420 is about 12657.1884713786. The cubic root of 160204420 is about 543.1146254468.

Adding to 160204420 its reverse (24402061), we get a palindrome (184606481).

The spelling of 160204420 in words is "one hundred sixty million, two hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 8010221 16020442 32040884 40051105 80102210 160204420