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2138952 = 23389123
BaseRepresentation
bin1000001010001101001000
311000200002110
420022031020
51021421302
6113502320
724116004
oct10121510
94020073
102138952
111231032
128719a0
1359b76a
143d9704
152c3b6c
hex20a348

2138952 has 16 divisors (see below), whose sum is σ = 5347440. Its totient is φ = 712976.

The previous prime is 2138909. The next prime is 2138971. The reversal of 2138952 is 2598312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44538 + ... + 44585.

It is an arithmetic number, because the mean of its divisors is an integer number (334215).

22138952 is an apocalyptic number.

It is an amenable number.

2138952 is an abundant number, since it is smaller than the sum of its proper divisors (3208488).

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

2138952 is a wasteful number, since it uses less digits than its factorization.

2138952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89132 (or 89128 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 2138952 is about 1462.5156409420. The cubic root of 2138952 is about 128.8448347701.

The spelling of 2138952 in words is "two million, one hundred thirty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 89123 178246 267369 356492 534738 712984 1069476 2138952