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287228114 = 2373881461
BaseRepresentation
bin10001000111101…
…100000011010010
3202000110200220022
4101013230003102
51042012244424
644300143442
710055253515
oct2107540322
9660420808
10287228114
11138150808
1280237b82
1347678684
142a20ad7c
151a33995e
hex111ec0d2

287228114 has 8 divisors (see below), whose sum is σ = 442486668. Its totient is φ = 139732560.

The previous prime is 287228087. The next prime is 287228119. The reversal of 287228114 is 411822782.

It can be written as a sum of positive squares in 2 ways, for example, as 226653025 + 60575089 = 15055^2 + 7783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (287228119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940657 + ... + 1940804.

Almost surely, 2287228114 is an apocalyptic number.

287228114 is a deficient number, since it is larger than the sum of its proper divisors (155258554).

287228114 is a wasteful number, since it uses less digits than its factorization.

287228114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881500.

The product of its digits is 14336, while the sum is 35.

The square root of 287228114 is about 16947.8055806644. The cubic root of 287228114 is about 659.7949424184.

The spelling of 287228114 in words is "two hundred eighty-seven million, two hundred twenty-eight thousand, one hundred fourteen".

Divisors: 1 2 37 74 3881461 7762922 143614057 287228114