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1388102417 = 13234642483
BaseRepresentation
bin101001010111100…
…1100001100010001
310120201221220112122
41102233030030101
510320323234132
6345423504025
746253450552
oct12257141421
93521856478
101388102417
11652602989
12328a58015
131917742a0
14d24d6329
1581ce4912
hex52bcc311

1388102417 has 8 divisors (see below), whose sum is σ = 1559874624. Its totient is φ = 1225615248.

The previous prime is 1388102413. The next prime is 1388102423. The reversal of 1388102417 is 7142018831.

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

It is not a de Polignac number, because 1388102417 - 22 = 1388102413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1388102413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320943 + ... + 2321540.

It is an arithmetic number, because the mean of its divisors is an integer number (194984328).

Almost surely, 21388102417 is an apocalyptic number.

It is an amenable number.

1388102417 is a deficient number, since it is larger than the sum of its proper divisors (171772207).

1388102417 is a wasteful number, since it uses less digits than its factorization.

1388102417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642519.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1388102417 is about 37257.2465031972. The cubic root of 1388102417 is about 1115.5109476284.

The spelling of 1388102417 in words is "one billion, three hundred eighty-eight million, one hundred two thousand, four hundred seventeen".

Divisors: 1 13 23 299 4642483 60352279 106777109 1388102417