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4072158 = 232226231
BaseRepresentation
bin1111100010001011011110
321122212221200
433202023132
52020302113
6223140330
746420116
oct17421336
97585850
104072158
112331522
1214446a6
13ac767c
14780046
15556873
hex3e22de

4072158 has 12 divisors (see below), whose sum is σ = 8823048. Its totient is φ = 1357380.

The previous prime is 4072147. The next prime is 4072171. The reversal of 4072158 is 8512704.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113098 + ... + 113133.

It is an arithmetic number, because the mean of its divisors is an integer number (735254).

Almost surely, 24072158 is an apocalyptic number.

4072158 is an abundant number, since it is smaller than the sum of its proper divisors (4750890).

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

4072158 is a wasteful number, since it uses less digits than its factorization.

4072158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226239 (or 226236 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4072158 is about 2017.9588697493. The cubic root of 4072158 is about 159.6889529945.

The spelling of 4072158 in words is "four million, seventy-two thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 18 226231 452462 678693 1357386 2036079 4072158