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2006457144 = 233312696851
BaseRepresentation
bin111011110011000…
…0001101100111000
312011211111120202120
41313212001230320
513102123112034
6531033201240
7100502414166
oct16746015470
95154446676
102006457144
1193a657a4a
1247bb60220
1325c8c8463
1415069a236
15bb23ac49
hex77981b38

2006457144 has 32 divisors (see below), whose sum is σ = 5177955840. Its totient is φ = 647244000.

The previous prime is 2006457109. The next prime is 2006457157. The reversal of 2006457144 is 4417546002.

2006457144 is digitally balanced in base 4, 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, 1347682 + ... + 1349169.

It is an arithmetic number, because the mean of its divisors is an integer number (161811120).

Almost surely, 22006457144 is an apocalyptic number.

2006457144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2006457144 is an abundant number, since it is smaller than the sum of its proper divisors (3171498696).

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

2006457144 is a wasteful number, since it uses less digits than its factorization.

2006457144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696891 (or 2696887 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2006457144 is about 44793.4944383668. The cubic root of 2006457144 is about 1261.2755085579.

The spelling of 2006457144 in words is "two billion, six million, four hundred fifty-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 2696851 5393702 8090553 10787404 16181106 21574808 32362212 64724424 83602381 167204762 250807143 334409524 501614286 668819048 1003228572 2006457144