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1386804145 = 5594701031
BaseRepresentation
bin101001010101000…
…1111001110110001
310120122111221122111
41102222033032301
510320010213040
6345340005321
746236432526
oct12252171661
93518457574
101386804145
116518a6531
12328530841
1319140b38c
14d227914d
1581b39dea
hex52a8f3b1

1386804145 has 8 divisors (see below), whose sum is σ = 1692371520. Its totient is φ = 1090638960.

The previous prime is 1386804119. The next prime is 1386804161. The reversal of 1386804145 is 5414086831.

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

It is not a de Polignac number, because 1386804145 - 27 = 1386804017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386804098 and 1386804107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350221 + ... + 2350810.

It is an arithmetic number, because the mean of its divisors is an integer number (211546440).

Almost surely, 21386804145 is an apocalyptic number.

It is an amenable number.

1386804145 is a deficient number, since it is larger than the sum of its proper divisors (305567375).

1386804145 is an equidigital number, since it uses as much as digits as its factorization.

1386804145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701095.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1386804145 is about 37239.8193470377. The cubic root of 1386804145 is about 1115.1630654282.

The spelling of 1386804145 in words is "one billion, three hundred eighty-six million, eight hundred four thousand, one hundred forty-five".

Divisors: 1 5 59 295 4701031 23505155 277360829 1386804145