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145680302 = 2431693957
BaseRepresentation
bin10001010111011…
…10011110101110
3101011010022210202
420223232132232
5244243232202
622242233502
73416155625
oct1053563656
9334108722
10145680302
1175261849
1240955892
1324248981
14154c26bc
15cbc9802
hex8aee7ae

145680302 has 8 divisors (see below), whose sum is σ = 223602456. Its totient is φ = 71146152.

The previous prime is 145680251. The next prime is 145680331. The reversal of 145680302 is 203086541.

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

It is a super-2 number, since 2×1456803022 = 42445500781622408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846893 + ... + 847064.

It is an arithmetic number, because the mean of its divisors is an integer number (27950307).

Almost surely, 2145680302 is an apocalyptic number.

145680302 is a deficient number, since it is larger than the sum of its proper divisors (77922154).

145680302 is a wasteful number, since it uses less digits than its factorization.

145680302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694002.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 145680302 is about 12069.8095262519. The cubic root of 145680302 is about 526.1791209034.

The spelling of 145680302 in words is "one hundred forty-five million, six hundred eighty thousand, three hundred two".

Divisors: 1 2 43 86 1693957 3387914 72840151 145680302