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2029660 = 225101483
BaseRepresentation
bin111101111100001011100
310211010011121
413233201130
51004422120
6111300324
723152243
oct7574134
93733147
102029660
111166a06
1281a6a4
13560aa9
143ab95a
152a15aa
hex1ef85c

2029660 has 12 divisors (see below), whose sum is σ = 4262328. Its totient is φ = 811856.

The previous prime is 2029649. The next prime is 2029661. The reversal of 2029660 is 669202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50722 + ... + 50761.

It is an arithmetic number, because the mean of its divisors is an integer number (355194).

22029660 is an apocalyptic number.

2029660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2029660 is an abundant number, since it is smaller than the sum of its proper divisors (2232668).

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

2029660 is a wasteful number, since it uses less digits than its factorization.

2029660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101492 (or 101490 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2029660 is about 1424.6613632720. The cubic root of 2029660 is about 126.6118722680.

The spelling of 2029660 in words is "two million, twenty-nine thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 101483 202966 405932 507415 1014830 2029660