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16257030 = 235541901
BaseRepresentation
bin111110000001…
…000000000110
31010120221110020
4332001000012
513130211110
61340240010
7255116406
oct76010006
933527406
1016257030
1191a4169
125540006
1334a285a
142232806
151661d70
hexf81006

16257030 has 16 divisors (see below), whose sum is σ = 39016944. Its totient is φ = 4335200.

The previous prime is 16257029. The next prime is 16257041. The reversal of 16257030 is 3075261.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270921 + ... + 270980.

It is an arithmetic number, because the mean of its divisors is an integer number (2438559).

Almost surely, 216257030 is an apocalyptic number.

16257030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16257030 is an abundant number, since it is smaller than the sum of its proper divisors (22759914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16257030 is a wasteful number, since it uses less digits than its factorization.

16257030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541911.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 16257030 is about 4032.0007440476. Note that the first 3 decimals coincide. The cubic root of 16257030 is about 253.3263713845.

The spelling of 16257030 in words is "sixteen million, two hundred fifty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 541901 1083802 1625703 2709505 3251406 5419010 8128515 16257030