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8028434 = 24014217
BaseRepresentation
bin11110101000000100010010
3120002212221102
4132220010102
54023402214
6444024402
7125145341
oct36500422
916085842
108028434
114593977
122832102
13188136b
1410cdb58
15a88bde
hex7a8112

8028434 has 4 divisors (see below), whose sum is σ = 12042654. Its totient is φ = 4014216.

The previous prime is 8028413. The next prime is 8028439. The reversal of 8028434 is 4348208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 990025 = 2653^2 + 995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8028397 and 8028406.

It is not an unprimeable number, because it can be changed into a prime (8028439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007107 + ... + 2007110.

Almost surely, 28028434 is an apocalyptic number.

8028434 is a deficient number, since it is larger than the sum of its proper divisors (4014220).

8028434 is a wasteful number, since it uses less digits than its factorization.

8028434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014219.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 8028434 is about 2833.4491348884. The cubic root of 8028434 is about 200.2366698265.

The spelling of 8028434 in words is "eight million, twenty-eight thousand, four hundred thirty-four".

Divisors: 1 2 4014217 8028434