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158085973 = 7110720809
BaseRepresentation
bin10010110110000…
…11001101010101
3102000110121012001
421123003031111
5310432222343
623404155301
73626465023
oct1133031525
9360417161
10158085973
1181265371
1244b38b31
13269a04c6
1416dd1713
15dd2a44d
hex96c3355

158085973 has 8 divisors (see below), whose sum is σ = 161818560. Its totient is φ = 154395360.

The previous prime is 158085937. The next prime is 158085997. The reversal of 158085973 is 379580851.

158085973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-158085973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158085173) 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, 2808 + ... + 18001.

It is an arithmetic number, because the mean of its divisors is an integer number (20227320).

Almost surely, 2158085973 is an apocalyptic number.

It is an amenable number.

158085973 is a deficient number, since it is larger than the sum of its proper divisors (3732587).

158085973 is a wasteful number, since it uses less digits than its factorization.

158085973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 158085973 is about 12573.2244472132. The cubic root of 158085973 is about 540.7100547258.

The spelling of 158085973 in words is "one hundred fifty-eight million, eighty-five thousand, nine hundred seventy-three".

Divisors: 1 71 107 7597 20809 1477439 2226563 158085973