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2072836 = 22518209
BaseRepresentation
bin111111010000100000100
310220022101201
413322010010
51012312321
6112232244
723422153
oct7720404
93808351
102072836
111196397
1283b684
1357763c
143bd59a
152ae291
hex1fa104

2072836 has 6 divisors (see below), whose sum is σ = 3627470. Its totient is φ = 1036416.

The previous prime is 2072831. The next prime is 2072839. The reversal of 2072836 is 6382702.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 129600 = 1394^2 + 360^2 .

It is not an unprimeable number, because it can be changed into a prime (2072831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259101 + ... + 259108.

22072836 is an apocalyptic number.

It is an amenable number.

2072836 is a deficient number, since it is larger than the sum of its proper divisors (1554634).

2072836 is a wasteful number, since it uses less digits than its factorization.

2072836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518213 (or 518211 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2072836 is about 1439.7346977829. The cubic root of 2072836 is about 127.5033652835.

The spelling of 2072836 in words is "two million, seventy-two thousand, eight hundred thirty-six".

Divisors: 1 2 4 518209 1036418 2072836