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2131372 = 22895987
BaseRepresentation
bin1000001000010110101100
311000021200201
420020112230
51021200442
6113403244
724054625
oct10102654
94007621
102131372
111226371
12869524
13598189
143d6a4c
152c17b7
hex2085ac

2131372 has 12 divisors (see below), whose sum is σ = 3772440. Its totient is φ = 1053536.

The previous prime is 2131361. The next prime is 2131373. The reversal of 2131372 is 2731312.

It is not an unprimeable number, because it can be changed into a prime (2131373) 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, 2638 + ... + 3349.

It is an arithmetic number, because the mean of its divisors is an integer number (314370).

22131372 is an apocalyptic number.

It is an amenable number.

2131372 is a deficient number, since it is larger than the sum of its proper divisors (1641068).

2131372 is a wasteful number, since it uses less digits than its factorization.

2131372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080 (or 6078 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 2131372 is about 1459.9219157202. The cubic root of 2131372 is about 128.6924548821.

Adding to 2131372 its reverse (2731312), we get a palindrome (4862684).

The spelling of 2131372 in words is "two million, one hundred thirty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 89 178 356 5987 11974 23948 532843 1065686 2131372