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768434 = 21797233
BaseRepresentation
bin10111011100110110010
31110001002112
42323212302
5144042214
624245322
76350222
oct2734662
91401075
10768434
11485377
12310842
1320b9c4
14160082
15102a3e
hexbb9b2

768434 has 16 divisors (see below), whose sum is σ = 1238328. Its totient is φ = 356352.

The previous prime is 768431. The next prime is 768437. The reversal of 768434 is 434867.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (768431) and next prime (768437).

It can be written as a sum of positive squares in 4 ways, for example, as 635209 + 133225 = 797^2 + 365^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 768434.

It is not an unprimeable number, because it can be changed into a prime (768431) 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, 3182 + ... + 3414.

2768434 is an apocalyptic number.

768434 is a deficient number, since it is larger than the sum of its proper divisors (469894).

768434 is a wasteful number, since it uses less digits than its factorization.

768434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 16128, while the sum is 32.

The square root of 768434 is about 876.6036732754. The cubic root of 768434 is about 91.5943863636.

The spelling of 768434 in words is "seven hundred sixty-eight thousand, four hundred thirty-four".

Divisors: 1 2 17 34 97 194 233 466 1649 3298 3961 7922 22601 45202 384217 768434