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2137956 = 223199377
BaseRepresentation
bin1000001001111101100100
311000121201120
420021331210
51021403311
6113453540
724113052
oct10117544
94017646
102137956
111230307
128712b0
1359b182
143d91d2
152c3706
hex209f64

2137956 has 24 divisors (see below), whose sum is σ = 5251680. Its totient is φ = 675072.

The previous prime is 2137943. The next prime is 2137957. The reversal of 2137956 is 6597312.

It is not an unprimeable number, because it can be changed into a prime (2137957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4461 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (218820).

22137956 is an apocalyptic number.

It is an amenable number.

2137956 is an abundant number, since it is smaller than the sum of its proper divisors (3113724).

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

2137956 is a wasteful number, since it uses less digits than its factorization.

2137956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403 (or 9401 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 2137956 is about 1462.1750921145. The cubic root of 2137956 is about 128.8248328596.

The spelling of 2137956 in words is "two million, one hundred thirty-seven thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 9377 18754 28131 37508 56262 112524 178163 356326 534489 712652 1068978 2137956