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145270682 = 272635341
BaseRepresentation
bin10001010100010…
…10011110011010
3101010100111220122
420222022132122
5244142130212
622225353242
73412531454
oct1052123632
9333314818
10145270682
1175002017
1240798822
13241343ab
14154172d4
15cb48272
hex8a8a79a

145270682 has 4 divisors (see below), whose sum is σ = 217906026. Its totient is φ = 72635340.

The previous prime is 145270669. The next prime is 145270709. The reversal of 145270682 is 286072541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 286072541 = 2341122201.

It can be written as a sum of positive squares in only one way, i.e., 143017681 + 2253001 = 11959^2 + 1501^2 .

It is a super-2 number, since 2×1452706822 = 42207142097490248, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 36317669 + ... + 36317672.

Almost surely, 2145270682 is an apocalyptic number.

145270682 is a deficient number, since it is larger than the sum of its proper divisors (72635344).

145270682 is an equidigital number, since it uses as much as digits as its factorization.

145270682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72635343.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 145270682 is about 12052.8287965938. The cubic root of 145270682 is about 525.6854924692.

The spelling of 145270682 in words is "one hundred forty-five million, two hundred seventy thousand, six hundred eighty-two".

Divisors: 1 2 72635341 145270682