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16057407 = 319327733
BaseRepresentation
bin111101010000…
…010000111111
31010012210121210
4331100100333
513102314112
61332055503
7253325412
oct75202077
933183553
1016057407
119078193
125464593
133432a32
1421bdb79
151622b3c
hexf5043f

16057407 has 8 divisors (see below), whose sum is σ = 21521584. Its totient is φ = 10649088.

The previous prime is 16057403. The next prime is 16057439. The reversal of 16057407 is 70475061.

It is a happy number.

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

It is not a de Polignac number, because 16057407 - 22 = 16057403 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 (16057403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13288 + ... + 14445.

It is an arithmetic number, because the mean of its divisors is an integer number (2690198).

Almost surely, 216057407 is an apocalyptic number.

16057407 is a deficient number, since it is larger than the sum of its proper divisors (5464177).

16057407 is a wasteful number, since it uses less digits than its factorization.

16057407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27929.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16057407 is about 4007.1694498736. The cubic root of 16057407 is about 252.2852181315.

The spelling of 16057407 in words is "sixteen million, fifty-seven thousand, four hundred seven".

Divisors: 1 3 193 579 27733 83199 5352469 16057407