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2900061 = 32322229
BaseRepresentation
bin1011000100000001011101
312110100010200
423010001131
51220300221
6142054113
733435663
oct13040135
95410120
102900061
11170094a
12b7a339
137a7018
14556c33
153c4426
hex2c405d

2900061 has 6 divisors (see below), whose sum is σ = 4188990. Its totient is φ = 1933368.

The previous prime is 2900059. The next prime is 2900063. The reversal of 2900061 is 1600092.

It is an interprime number because it is at equal distance from previous prime (2900059) and next prime (2900063).

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 632025 = 1506^2 + 795^2 .

It is not a de Polignac number, because 2900061 - 21 = 2900059 is a prime.

2900061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161106 + ... + 161123.

It is an arithmetic number, because the mean of its divisors is an integer number (698165).

22900061 is an apocalyptic number.

It is an amenable number.

2900061 is a deficient number, since it is larger than the sum of its proper divisors (1288929).

2900061 is a wasteful number, since it uses less digits than its factorization.

2900061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322235 (or 322232 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2900061 is about 1702.9565467152. The cubic root of 2900061 is about 142.6053145766.

The spelling of 2900061 in words is "two million, nine hundred thousand, sixty-one".

Divisors: 1 3 9 322229 966687 2900061