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428076082 = 27171798639
BaseRepresentation
bin11001100000111…
…110110000110010
31002211111111222201
4121200332300302
51334041413312
6110251053414
713415405140
oct3140766062
91084444881
10428076082
111aa701995
12bb44126a
136a8c1975
1440bd2590
15278ac557
hex1983ec32

428076082 has 16 divisors (see below), whose sum is σ = 777012480. Its totient is φ = 172669248.

The previous prime is 428076067. The next prime is 428076083. The reversal of 428076082 is 280670824.

It is a super-3 number, since 3×4280760823 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (428076083) 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, 899082 + ... + 899557.

It is an arithmetic number, because the mean of its divisors is an integer number (48563280).

Almost surely, 2428076082 is an apocalyptic number.

428076082 is a deficient number, since it is larger than the sum of its proper divisors (348936398).

428076082 is a wasteful number, since it uses less digits than its factorization.

428076082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798665.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 428076082 is about 20689.9995650072. Note that the first 3 decimals coincide. The cubic root of 428076082 is about 753.6568561513.

The spelling of 428076082 in words is "four hundred twenty-eight million, seventy-six thousand, eighty-two".

Divisors: 1 2 7 14 17 34 119 238 1798639 3597278 12590473 25180946 30576863 61153726 214038041 428076082