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870049140 = 223519763201
BaseRepresentation
bin110011110110111…
…110010101110100
32020122011002001020
4303312332111310
53240213033030
6222200101140
730363203262
oct6366762564
92218132036
10870049140
11407135884
122034647b0
1310b33ab9c
14837a1432
15515b2510
hex33dbe574

870049140 has 48 divisors (see below), whose sum is σ = 2564358720. Its totient is φ = 219801600.

The previous prime is 870049133. The next prime is 870049157. The reversal of 870049140 is 41940078.

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 15 ways as a sum of consecutive naturals, for example, 380461 + ... + 382740.

It is an arithmetic number, because the mean of its divisors is an integer number (53424140).

Almost surely, 2870049140 is an apocalyptic number.

It is an amenable number.

870049140 is an abundant number, since it is smaller than the sum of its proper divisors (1694309580).

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

870049140 is a wasteful number, since it uses less digits than its factorization.

870049140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763232 (or 763230 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 870049140 is about 29496.5953967572. The cubic root of 870049140 is about 954.6582441696.

The spelling of 870049140 in words is "eight hundred seventy million, forty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 763201 1526402 2289603 3052804 3816005 4579206 7632010 9158412 11448015 14500819 15264020 22896030 29001638 43502457 45792060 58003276 72504095 87004914 145008190 174009828 217512285 290016380 435024570 870049140