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2122970 = 25212297
BaseRepresentation
bin1000000110010011011010
310222212011112
420012103122
51020413340
6113300322
724021263
oct10062332
93885145
102122970
111220023
128646a2
135943c5
143d396a
152be065
hex2064da

2122970 has 8 divisors (see below), whose sum is σ = 3821364. Its totient is φ = 849184.

The previous prime is 2122963. The next prime is 2122979. The reversal of 2122970 is 792212.

It can be written as a sum of positive squares in 2 ways, for example, as 2122849 + 121 = 1457^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2122979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106139 + ... + 106158.

22122970 is an apocalyptic number.

2122970 is a deficient number, since it is larger than the sum of its proper divisors (1698394).

2122970 is a wasteful number, since it uses less digits than its factorization.

2122970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212304.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2122970 is about 1457.0415230871. The cubic root of 2122970 is about 128.5231276535.

The spelling of 2122970 in words is "two million, one hundred twenty-two thousand, nine hundred seventy".

Divisors: 1 2 5 10 212297 424594 1061485 2122970