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202056320 = 275491643
BaseRepresentation
bin11000000101100…
…10001010000000
3112002012112011102
430002302022000
5403211300240
632014433532
75002310324
oct1402621200
9462175142
10202056320
11a40679a4
12578028a8
1332b2726b
141cb99984
1512b13815
hexc0b2280

202056320 has 64 divisors (see below), whose sum is σ = 484777440. Its totient is φ = 80532480.

The previous prime is 202056307. The next prime is 202056347. The reversal of 202056320 is 23650202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202056292 and 202056301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313919 + ... + 314561.

Almost surely, 2202056320 is an apocalyptic number.

202056320 is a gapful number since it is divisible by the number (20) 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 202056320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242388720).

202056320 is an abundant number, since it is smaller than the sum of its proper divisors (282721120).

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

202056320 is an equidigital number, since it uses as much as digits as its factorization.

202056320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 202056320 is about 14214.6515961525. The cubic root of 202056320 is about 586.8009564025.

The spelling of 202056320 in words is "two hundred two million, fifty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 491 640 643 982 1286 1964 2455 2572 3215 3928 4910 5144 6430 7856 9820 10288 12860 15712 19640 20576 25720 31424 39280 41152 51440 62848 78560 82304 102880 157120 205760 314240 315713 411520 631426 1262852 1578565 2525704 3157130 5051408 6314260 10102816 12628520 20205632 25257040 40411264 50514080 101028160 202056320