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6120144 = 243331457
BaseRepresentation
bin10111010110001011010000
3102111221021000
4113112023100
53031321034
6335102000
7103006662
oct27261320
912457230
106120144
113500178
122071900
1313638b4
14b54532
1580d599
hex5d62d0

6120144 has 80 divisors (see below), whose sum is σ = 18173440. Its totient is φ = 1969920.

The previous prime is 6120097. The next prime is 6120151. The reversal of 6120144 is 4410216.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13164 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (227168).

Almost surely, 26120144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6120144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9086720).

6120144 is an abundant number, since it is smaller than the sum of its proper divisors (12053296).

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

6120144 is a wasteful number, since it uses less digits than its factorization.

6120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 6120144 is about 2473.8924794744. The cubic root of 6120144 is about 182.9169200954.

The spelling of 6120144 in words is "six million, one hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 93 108 124 144 186 216 248 279 372 432 457 496 558 744 837 914 1116 1371 1488 1674 1828 2232 2742 3348 3656 4113 4464 5484 6696 7312 8226 10968 12339 13392 14167 16452 21936 24678 28334 32904 42501 49356 56668 65808 85002 98712 113336 127503 170004 197424 226672 255006 340008 382509 510012 680016 765018 1020024 1530036 2040048 3060072 6120144