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273868146 = 23215214897
BaseRepresentation
bin10000010100101…
…110010101110010
3201002022221110200
4100110232111302
51030102240041
643101540030
76533561256
oct2024562562
9632287420
10273868146
11130656212
1277874616
134497b676
1428530266
151909b1b6
hex1052e572

273868146 has 12 divisors (see below), whose sum is σ = 593381022. Its totient is φ = 91289376.

The previous prime is 273868129. The next prime is 273868183. The reversal of 273868146 is 641868372.

It can be written as a sum of positive squares in only one way, i.e., 270767025 + 3101121 = 16455^2 + 1761^2 .

It is a super-2 number, since 2×2738681462 = 150007522786954632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 7607431 + ... + 7607466.

Almost surely, 2273868146 is an apocalyptic number.

273868146 is an abundant number, since it is smaller than the sum of its proper divisors (319512876).

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

273868146 is a wasteful number, since it uses less digits than its factorization.

273868146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214905 (or 15214902 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 273868146 is about 16548.9620822576. The cubic root of 273868146 is about 649.4023271388.

The spelling of 273868146 in words is "two hundred seventy-three million, eight hundred sixty-eight thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 15214897 30429794 45644691 91289382 136934073 273868146