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850905004 = 221031320627
BaseRepresentation
bin110010101101111…
…100011110101100
32012022010110020011
4302231330132230
53220312430004
6220233503004
730041400415
oct6255743654
92168113204
10850905004
113a734a584
121b8b71a64
131073971b1
148101a80c
154ea80004
hex32b7c7ac

850905004 has 12 divisors (see below), whose sum is σ = 1489300344. Its totient is φ = 425390624.

The previous prime is 850904869. The next prime is 850905007. The reversal of 850905004 is 400509058.

It is not an unprimeable number, because it can be changed into a prime (850905007) 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, 30939 + ... + 51565.

It is an arithmetic number, because the mean of its divisors is an integer number (124108362).

Almost surely, 2850905004 is an apocalyptic number.

It is an amenable number.

850905004 is a deficient number, since it is larger than the sum of its proper divisors (638395340).

850905004 is a wasteful number, since it uses less digits than its factorization.

850905004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30944 (or 30942 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 850905004 is about 29170.2760357183. The cubic root of 850905004 is about 947.6043067825.

The spelling of 850905004 in words is "eight hundred fifty million, nine hundred five thousand, four".

Divisors: 1 2 4 10313 20626 20627 41252 41254 82508 212726251 425452502 850905004