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190628 = 2247657
BaseRepresentation
bin101110100010100100
3100200111022
4232202210
522100003
64030312
71422524
oct564244
9320438
10190628
11120249
1292398
13689c9
144d684
153b738
hex2e8a4

190628 has 6 divisors (see below), whose sum is σ = 333606. Its totient is φ = 95312.

The previous prime is 190613. The next prime is 190633. The reversal of 190628 is 826091.

It can be written as a sum of positive squares in only one way, i.e., 178084 + 12544 = 422^2 + 112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190597 and 190606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23825 + ... + 23832.

It is an arithmetic number, because the mean of its divisors is an integer number (55601).

2190628 is an apocalyptic number.

It is an amenable number.

190628 is a deficient number, since it is larger than the sum of its proper divisors (142978).

190628 is a wasteful number, since it uses less digits than its factorization.

190628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47661 (or 47659 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 190628 is about 436.6096654908. The cubic root of 190628 is about 57.5522398593.

It can be divided in two parts, 190 and 628, that added together give a palindrome (818).

The spelling of 190628 in words is "one hundred ninety thousand, six hundred twenty-eight".

Divisors: 1 2 4 47657 95314 190628