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16434201 = 37782581
BaseRepresentation
bin111110101100…
…010000011001
31010220221111010
4332230100121
513201343301
61344124133
7256455060
oct76542031
933827433
1016434201
119305293
125606649
1335353a4
14227b1d7
1516995d6
hexfac419

16434201 has 8 divisors (see below), whose sum is σ = 25042624. Its totient is φ = 9390960.

The previous prime is 16434199. The next prime is 16434203. The reversal of 16434201 is 10243461.

16434201 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16434199) and next prime (16434203).

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

It is not a de Polignac number, because 16434201 - 21 = 16434199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 782581 = 16434201 / (1 + 6 + 4 + 3 + 4 + 2 + 0 + 1).

It is a Duffinian number.

16434201 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (16434203) 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, 391270 + ... + 391311.

It is an arithmetic number, because the mean of its divisors is an integer number (3130328).

Almost surely, 216434201 is an apocalyptic number.

It is an amenable number.

16434201 is a deficient number, since it is larger than the sum of its proper divisors (8608423).

16434201 is an equidigital number, since it uses as much as digits as its factorization.

16434201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782591.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16434201 is about 4053.9118145317. The cubic root of 16434201 is about 254.2433085123.

The spelling of 16434201 in words is "sixteen million, four hundred thirty-four thousand, two hundred one".

Divisors: 1 3 7 21 782581 2347743 5478067 16434201