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202156080 = 24357120331
BaseRepresentation
bin11000000110010…
…10100000110000
3112002101121000020
430003022200300
5403222443310
632020523440
75003204220
oct1403124060
9462347006
10202156080
11a4125945
1257850580
1332b607a9
141cbc4080
1512b33170
hexc0ca830

202156080 has 80 divisors (see below), whose sum is σ = 716216064. Its totient is φ = 46206720.

The previous prime is 202156079. The next prime is 202156103. The reversal of 202156080 is 80651202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 202156080.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58486 + ... + 61845.

Almost surely, 2202156080 is an apocalyptic number.

202156080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202156080 is an abundant number, since it is smaller than the sum of its proper divisors (514059984).

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

202156080 is a wasteful number, since it uses less digits than its factorization.

202156080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120354 (or 120348 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 202156080 is about 14218.1602185374. The cubic root of 202156080 is about 586.8975130325.

The spelling of 202156080 in words is "two hundred two million, one hundred fifty-six thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 120331 240662 360993 481324 601655 721986 842317 962648 1203310 1443972 1684634 1804965 1925296 2406620 2526951 2887944 3369268 3609930 4211585 4813240 5053902 5775888 6738536 7219860 8423170 9626480 10107804 12634755 13477072 14439720 16846340 20215608 25269510 28879440 33692680 40431216 50539020 67385360 101078040 202156080