Search a number
-
+
16124140 = 2254318749
BaseRepresentation
bin111101100000…
…100011101100
31010100012011101
4331200203230
513111433030
61333332444
7254024104
oct75404354
933305141
1016124140
11911333a
125497124
133457216
1421da204
1516377ca
hexf608ec

16124140 has 24 divisors (see below), whose sum is σ = 34650000. Its totient is φ = 6299328.

The previous prime is 16124131. The next prime is 16124159. The reversal of 16124140 is 4142161.

16124140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8515 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (1443750).

Almost surely, 216124140 is an apocalyptic number.

16124140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16124140 is an abundant number, since it is smaller than the sum of its proper divisors (18525860).

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

16124140 is a wasteful number, since it uses less digits than its factorization.

16124140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18801 (or 18799 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 16124140 is about 4015.4875171018. The cubic root of 16124140 is about 252.6342259256.

The spelling of 16124140 in words is "sixteen million, one hundred twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 18749 37498 74996 93745 187490 374980 806207 1612414 3224828 4031035 8062070 16124140