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628882 = 2314441
BaseRepresentation
bin10011001100010010010
31011221122221
42121202102
5130111012
621251254
75226322
oct2314222
91157587
10628882
1139a541
12263b2a
13190327
14125282
15c6507
hex99892

628882 has 4 divisors (see below), whose sum is σ = 943326. Its totient is φ = 314440.

The previous prime is 628877. The next prime is 628909. The reversal of 628882 is 288826.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 288826 = 2144413.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 281961 = 589^2 + 531^2 .

It is a pancake number, because a pancake can be divided into 628882 parts by 1121 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157219 + ... + 157222.

2628882 is an apocalyptic number.

628882 is a deficient number, since it is larger than the sum of its proper divisors (314444).

628882 is a wasteful number, since it uses less digits than its factorization.

628882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314443.

The product of its digits is 12288, while the sum is 34.

The square root of 628882 is about 793.0208067888. The cubic root of 628882 is about 85.6754488079.

The spelling of 628882 in words is "six hundred twenty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 314441 628882