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2990052 = 2232136389
BaseRepresentation
bin1011011001111111100100
312121220120200
423121333210
51231140202
6144030500
734262232
oct13317744
95556520
102990052
11176251a
121002430
13808c80
1457b952
153e0e1c
hex2d9fe4

2990052 has 36 divisors (see below), whose sum is σ = 8140860. Its totient is φ = 919872.

The previous prime is 2990051. The next prime is 2990059. The reversal of 2990052 is 2500992.

It can be written as a sum of positive squares in 2 ways, for example, as 147456 + 2842596 = 384^2 + 1686^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2989998 and 2990025.

It is not an unprimeable number, because it can be changed into a prime (2990051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (226135).

22990052 is an apocalyptic number.

It is an amenable number.

2990052 is an abundant number, since it is smaller than the sum of its proper divisors (5150808).

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

2990052 is a wasteful number, since it uses less digits than its factorization.

2990052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 2990052 is about 1729.1766827019. The cubic root of 2990052 is about 144.0653638444.

The spelling of 2990052 in words is "two million, nine hundred ninety thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 6389 12778 19167 25556 38334 57501 76668 83057 115002 166114 230004 249171 332228 498342 747513 996684 1495026 2990052