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855146830 = 2585514683
BaseRepresentation
bin110010111110001…
…000000101001110
32012121002221220211
4302332020011032
53222404144310
6220504433034
730122425306
oct6276100516
92177087824
10855146830
113a978751a
121ba47877a
13108220b55
1481802606
155011bc8a
hex32f8814e

855146830 has 8 divisors (see below), whose sum is σ = 1539264312. Its totient is φ = 342058728.

The previous prime is 855146827. The next prime is 855146837. The reversal of 855146830 is 38641558.

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

It is a super-2 number, since 2×8551468302 = 1462552201718097800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855146837) 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, 42757332 + ... + 42757351.

It is an arithmetic number, because the mean of its divisors is an integer number (192408039).

Almost surely, 2855146830 is an apocalyptic number.

855146830 is a deficient number, since it is larger than the sum of its proper divisors (684117482).

855146830 is a wasteful number, since it uses less digits than its factorization.

855146830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85514690.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 855146830 is about 29242.8936666671. The cubic root of 855146830 is about 949.1763239144.

The spelling of 855146830 in words is "eight hundred fifty-five million, one hundred forty-six thousand, eight hundred thirty".

Divisors: 1 2 5 10 85514683 171029366 427573415 855146830