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282267138 = 23187925037
BaseRepresentation
bin10000110100110…
…000111000000010
3201200010122201110
4100310300320002
51034230022023
644001544150
76665142156
oct2064607002
9650118643
10282267138
1113537252a
127a645056
134662c59a
14296b9066
1519ba9a93
hex10d30e02

282267138 has 16 divisors (see below), whose sum is σ = 564857280. Its totient is φ = 94035216.

The previous prime is 282267137. The next prime is 282267143. The reversal of 282267138 is 831762282.

It is a super-2 number, since 2×2822671382 = 159349474389422088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 282267096 and 282267105.

It is not an unprimeable number, because it can be changed into a prime (282267131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 23792.

It is an arithmetic number, because the mean of its divisors is an integer number (35303580).

Almost surely, 2282267138 is an apocalyptic number.

282267138 is an abundant number, since it is smaller than the sum of its proper divisors (282590142).

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

282267138 is a wasteful number, since it uses less digits than its factorization.

282267138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26921.

The product of its digits is 64512, while the sum is 39.

The square root of 282267138 is about 16800.8076591573. The cubic root of 282267138 is about 655.9742222297.

The spelling of 282267138 in words is "two hundred eighty-two million, two hundred sixty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 1879 3758 5637 11274 25037 50074 75111 150222 47044523 94089046 141133569 282267138