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1985073 = 31738923
BaseRepresentation
bin111100100101000110001
310201212000020
413210220301
51002010243
6110314053
722605246
oct7445061
93655006
101985073
111136462
127b8929
135466cc
143995cd
15293283
hex1e4a31

1985073 has 8 divisors (see below), whose sum is σ = 2802528. Its totient is φ = 1245504.

The previous prime is 1985057. The next prime is 1985077. The reversal of 1985073 is 3705891.

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

It is not a de Polignac number, because 1985073 - 24 = 1985057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1985077) 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, 19411 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (350316).

21985073 is an apocalyptic number.

It is an amenable number.

1985073 is a deficient number, since it is larger than the sum of its proper divisors (817455).

1985073 is a wasteful number, since it uses less digits than its factorization.

1985073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38943.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1985073 is about 1408.9261868530. The cubic root of 1985073 is about 125.6778745766.

The spelling of 1985073 in words is "one million, nine hundred eighty-five thousand, seventy-three".

Divisors: 1 3 17 51 38923 116769 661691 1985073