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870770044 = 221091997179
BaseRepresentation
bin110011111001101…
…110010101111100
32020200111200221101
4303321232111330
53240404120134
6222223342444
730402265114
oct6371562574
92220450841
10870770044
11407588471
12203751a24
1310b531061
148390c044
15516a5e14
hex33e6e57c

870770044 has 12 divisors (see below), whose sum is σ = 1537828600. Its totient is φ = 431390448.

The previous prime is 870770011. The next prime is 870770051. The reversal of 870770044 is 440077078.

It is a junction number, because it is equal to n+sod(n) for n = 870769985 and 870770012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998154 + ... + 999025.

Almost surely, 2870770044 is an apocalyptic number.

It is an amenable number.

870770044 is a deficient number, since it is larger than the sum of its proper divisors (667058556).

870770044 is a wasteful number, since it uses less digits than its factorization.

870770044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997292 (or 1997290 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 870770044 is about 29508.8129886649. The cubic root of 870770044 is about 954.9218411406.

The spelling of 870770044 in words is "eight hundred seventy million, seven hundred seventy thousand, forty-four".

Divisors: 1 2 4 109 218 436 1997179 3994358 7988716 217692511 435385022 870770044