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160420000 = 255413617
BaseRepresentation
bin10011000111111…
…01000010100000
3102011212011212111
421203331002200
5312031420000
623530205104
73655355536
oct1143750240
9364764774
10160420000
1182609a14
1245883794
13273099a0
141743c156
15e13bcba
hex98fd0a0

160420000 has 120 divisors (see below), whose sum is σ = 425704356. Its totient is φ = 59136000.

The previous prime is 160419991. The next prime is 160420019. The reversal of 160420000 is 24061.

It can be written as a sum of positive squares in 10 ways, for example, as 80353296 + 80066704 = 8964^2 + 8948^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259692 + ... + 260308.

Almost surely, 2160420000 is an apocalyptic number.

160420000 is a gapful number since it is divisible by the number (10) 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 160420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212852178).

160420000 is an abundant number, since it is smaller than the sum of its proper divisors (265284356).

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

160420000 is an equidigital number, since it uses as much as digits as its factorization.

160420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 160420000 is about 12665.7017176310. The cubic root of 160420000 is about 543.3581313618.

Adding to 160420000 its reverse (24061), we get a palindrome (160444061).

The spelling of 160420000 in words is "one hundred sixty million, four hundred twenty thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 125 130 160 200 208 250 260 325 400 416 500 520 617 625 650 800 1000 1040 1234 1250 1300 1625 2000 2080 2468 2500 2600 3085 3250 4000 4936 5000 5200 6170 6500 8021 8125 9872 10000 10400 12340 13000 15425 16042 16250 19744 20000 24680 26000 30850 32084 32500 40105 49360 52000 61700 64168 65000 77125 80210 98720 123400 128336 130000 154250 160420 200525 246800 256672 260000 308500 320840 385625 401050 493600 617000 641680 771250 802100 1002625 1234000 1283360 1542500 1604200 2005250 2468000 3085000 3208400 4010500 5013125 6170000 6416800 8021000 10026250 12340000 16042000 20052500 32084000 40105000 80210000 160420000