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145383386 = 2472315391
BaseRepresentation
bin10001010101001…
…01111111011010
3101010120020111212
420222211333122
5244204232021
622232023122
73413511161
oct1052457732
9333506455
10145383386
1175079765
1240831aa2
1324173795
14154463d8
15cb6b85b
hex8aa5fda

145383386 has 8 divisors (see below), whose sum is σ = 218135424. Its totient is φ = 72671580.

The previous prime is 145383347. The next prime is 145383401. The reversal of 145383386 is 683383541.

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

It is a super-2 number, since 2×1453833862 = 42272657849649992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751 + ... + 17141.

It is an arithmetic number, because the mean of its divisors is an integer number (27266928).

Almost surely, 2145383386 is an apocalyptic number.

145383386 is a deficient number, since it is larger than the sum of its proper divisors (72752038).

145383386 is a wasteful number, since it uses less digits than its factorization.

145383386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20116.

The product of its digits is 207360, while the sum is 41.

The square root of 145383386 is about 12057.5033070698. The cubic root of 145383386 is about 525.8214032208.

The spelling of 145383386 in words is "one hundred forty-five million, three hundred eighty-three thousand, three hundred eighty-six".

Divisors: 1 2 4723 9446 15391 30782 72691693 145383386