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16130551 = 40939439
BaseRepresentation
bin111101100010…
…000111110111
31010100111221211
4331202013313
513112134201
61333422251
7254051563
oct75420767
933314854
1016130551
119118138
12549a987
13345a108
1421dc6a3
151639651
hexf621f7

16130551 has 4 divisors (see below), whose sum is σ = 16170400. Its totient is φ = 16090704.

The previous prime is 16130537. The next prime is 16130573. The reversal of 16130551 is 15503161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16130551 - 25 = 16130519 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 (16110551) 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, 19311 + ... + 20128.

It is an arithmetic number, because the mean of its divisors is an integer number (4042600).

Almost surely, 216130551 is an apocalyptic number.

16130551 is a deficient number, since it is larger than the sum of its proper divisors (39849).

16130551 is an equidigital number, since it uses as much as digits as its factorization.

16130551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 16130551 is about 4016.2857219077. The cubic root of 16130551 is about 252.6677041641.

The spelling of 16130551 in words is "sixteen million, one hundred thirty thousand, five hundred fifty-one".

Divisors: 1 409 39439 16130551