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202530812 = 221131148483
BaseRepresentation
bin11000001001001…
…01111111111100
3112010002122001012
430010211333330
5403321441222
632032534352
75006324561
oct1404457774
9463078035
10202530812
11a4361440
12579b13b8
1332c62223
141cc80868
1512ba91e2
hexc125ffc

202530812 has 24 divisors (see below), whose sum is σ = 399124992. Its totient is φ = 89089200.

The previous prime is 202530793. The next prime is 202530821. The reversal of 202530812 is 218035202.

It is a congruent number.

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, 72878 + ... + 75605.

It is an arithmetic number, because the mean of its divisors is an integer number (16630208).

Almost surely, 2202530812 is an apocalyptic number.

202530812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202530812 is a deficient number, since it is larger than the sum of its proper divisors (196594180).

202530812 is a wasteful number, since it uses less digits than its factorization.

202530812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148529 (or 148527 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 202530812 is about 14231.3320529036. The cubic root of 202530812 is about 587.2599285912.

The spelling of 202530812 in words is "two hundred two million, five hundred thirty thousand, eight hundred twelve".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 148483 296966 593932 1633313 3266626 4602973 6533252 9205946 18411892 50632703 101265406 202530812