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202087144 = 2376159159
BaseRepresentation
bin11000000101110…
…01101011101000
3112002021002110001
430002321223220
5403213242034
632015232344
75002466230
oct1402715350
9462232401
10202087144
11a4089076
12578186b4
1332b382bc
141cba6cc0
1512b1ca14
hexc0b9ae8

202087144 has 32 divisors (see below), whose sum is σ = 440150400. Its totient is φ = 85187520.

The previous prime is 202087129. The next prime is 202087153. The reversal of 202087144 is 441780202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26164 + ... + 32995.

It is an arithmetic number, because the mean of its divisors is an integer number (13754700).

Almost surely, 2202087144 is an apocalyptic number.

It is an amenable number.

202087144 is an abundant number, since it is smaller than the sum of its proper divisors (238063256).

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

202087144 is a wasteful number, since it uses less digits than its factorization.

202087144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59233 (or 59229 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 202087144 is about 14215.7357882032. The cubic root of 202087144 is about 586.8307940125.

The spelling of 202087144 in words is "two hundred two million, eighty-seven thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 61 122 244 427 488 854 1708 3416 59159 118318 236636 414113 473272 828226 1656452 3312904 3608699 7217398 14434796 25260893 28869592 50521786 101043572 202087144