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428954 = 21391543
BaseRepresentation
bin1101000101110011010
3210210102012
41220232122
5102211304
613105522
73434411
oct1505632
9723365
10428954
11273309
121882a2
13120326
14b2478
158716e
hex68b9a

428954 has 8 divisors (see below), whose sum is σ = 648480. Its totient is φ = 212796.

The previous prime is 428951. The next prime is 428957. The reversal of 428954 is 459824.

428954 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (428951) and next prime (428957).

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

It is a self number, because there is not a number n which added to its sum of digits gives 428954.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428954.

It is not an unprimeable number, because it can be changed into a prime (428951) 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, 494 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (81060).

2428954 is an apocalyptic number.

428954 is a deficient number, since it is larger than the sum of its proper divisors (219526).

428954 is a wasteful number, since it uses less digits than its factorization.

428954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its digits is 11520, while the sum is 32.

The square root of 428954 is about 654.9457992842. The cubic root of 428954 is about 75.4171715658.

The spelling of 428954 in words is "four hundred twenty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 139 278 1543 3086 214477 428954