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381622607 = 4215771571
BaseRepresentation
bin10110101111110…
…001100101001111
3222121002102210122
4112233301211033
51240143410412
6101511255155
712312511232
oct2657614517
9877072718
10381622607
11186463793
12a797a4bb
13610a88c2
143897d419
1523783572
hex16bf194f

381622607 has 8 divisors (see below), whose sum is σ = 383435952. Its totient is φ = 379814400.

The previous prime is 381622597. The next prime is 381622627. The reversal of 381622607 is 706226183.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-381622607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381622627) 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, 242132 + ... + 243702.

It is an arithmetic number, because the mean of its divisors is an integer number (47929494).

Almost surely, 2381622607 is an apocalyptic number.

381622607 is a deficient number, since it is larger than the sum of its proper divisors (1813345).

381622607 is a wasteful number, since it uses less digits than its factorization.

381622607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 381622607 is about 19535.1633471543. The cubic root of 381622607 is about 725.3451274757.

The spelling of 381622607 in words is "three hundred eighty-one million, six hundred twenty-two thousand, six hundred seven".

Divisors: 1 421 577 1571 242917 661391 906467 381622607