Search a number
-
+
202029984 = 25331317987
BaseRepresentation
bin11000000101010…
…11101110100000
3112002011012001000
430002223232200
5403204424414
632014112000
75002140462
oct1402535640
9462135030
10202029984
11a404a132
12577ab600
1332b18290
141cb90132
1512b0ab09
hexc0abba0

202029984 has 96 divisors (see below), whose sum is σ = 634616640. Its totient is φ = 62159616.

The previous prime is 202029973. The next prime is 202030009. The reversal of 202029984 is 489920202.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2020299842 = 81632228870080512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2239 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (6610590).

Almost surely, 2202029984 is an apocalyptic number.

202029984 is a gapful number since it is divisible by the number (24) 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 202029984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317308320).

202029984 is an abundant number, since it is smaller than the sum of its proper divisors (432586656).

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

202029984 is a wasteful number, since it uses less digits than its factorization.

202029984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18019 (or 18005 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 202029984 is about 14213.7251978501. The cubic root of 202029984 is about 586.7754607693.

The spelling of 202029984 in words is "two hundred two million, twenty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 208 216 234 288 312 351 416 432 468 624 702 864 936 1248 1404 1872 2808 3744 5616 11232 17987 35974 53961 71948 107922 143896 161883 215844 233831 287792 323766 431688 467662 485649 575584 647532 701493 863376 935324 971298 1295064 1402986 1726752 1870648 1942596 2104479 2590128 2805972 3741296 3885192 4208958 5180256 5611944 6313437 7482592 7770384 8417916 11223888 12626874 15540768 16835832 22447776 25253748 33671664 50507496 67343328 101014992 202029984