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2120974 = 21060487
BaseRepresentation
bin1000000101110100001110
310222202102121
420011310032
51020332344
6113243154
724012412
oct10056416
93882377
102120974
111219579
128634ba
1359351b
143d2d42
152bd684
hex205d0e

2120974 has 4 divisors (see below), whose sum is σ = 3181464. Its totient is φ = 1060486.

The previous prime is 2120957. The next prime is 2120977. The reversal of 2120974 is 4790212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530242 + ... + 530245.

It is an arithmetic number, because the mean of its divisors is an integer number (795366).

22120974 is an apocalyptic number.

2120974 is a deficient number, since it is larger than the sum of its proper divisors (1060490).

2120974 is a wasteful number, since it uses less digits than its factorization.

2120974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060489.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2120974 is about 1456.3564124211. The cubic root of 2120974 is about 128.4828362062.

The spelling of 2120974 in words is "two million, one hundred twenty thousand, nine hundred seventy-four".

Divisors: 1 2 1060487 2120974