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2070906 = 231779257
BaseRepresentation
bin111111001100101111010
310220012202020
413321211322
51012232111
6112215310
723413425
oct7714572
93805666
102070906
1111949a2
1283a536
135767b6
143bc9bc
152ad906
hex1f997a

2070906 has 32 divisors (see below), whose sum is σ = 4458240. Its totient is φ = 638976.

The previous prime is 2070883. The next prime is 2070907. The reversal of 2070906 is 6090702.

It is not an unprimeable number, because it can be changed into a prime (2070907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7930 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (139320).

22070906 is an apocalyptic number.

2070906 is an abundant number, since it is smaller than the sum of its proper divisors (2387334).

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

2070906 is a wasteful number, since it uses less digits than its factorization.

2070906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2070906 is about 1439.0642793149. The cubic root of 2070906 is about 127.4637805616.

The spelling of 2070906 in words is "two million, seventy thousand, nine hundred six".

Divisors: 1 2 3 6 17 34 51 79 102 158 237 257 474 514 771 1343 1542 2686 4029 4369 8058 8738 13107 20303 26214 40606 60909 121818 345151 690302 1035453 2070906