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1386950434 = 22777249721
BaseRepresentation
bin101001010101011…
…0010111100100010
310120122210101022121
41102222302330202
510320024403214
6345343054454
746240612162
oct12252627442
93518711277
101386950434
11651996431
123285a142a
1319145cb3c
14d22b65a2
1581b68424
hex52ab2f22

1386950434 has 8 divisors (see below), whose sum is σ = 2081183148. Its totient is φ = 693222720.

The previous prime is 1386950431. The next prime is 1386950437. The reversal of 1386950434 is 4340596831.

It is an interprime number because it is at equal distance from previous prime (1386950431) and next prime (1386950437).

It can be written as a sum of positive squares in 2 ways, for example, as 1378265625 + 8684809 = 37125^2 + 2947^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1386950431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119307 + ... + 130414.

Almost surely, 21386950434 is an apocalyptic number.

1386950434 is a deficient number, since it is larger than the sum of its proper divisors (694232714).

1386950434 is a wasteful number, since it uses less digits than its factorization.

1386950434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252500.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1386950434 is about 37241.7834427945. The cubic root of 1386950434 is about 1115.2022755682.

The spelling of 1386950434 in words is "one billion, three hundred eighty-six million, nine hundred fifty thousand, four hundred thirty-four".

Divisors: 1 2 2777 5554 249721 499442 693475217 1386950434