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70808 = 2353167
BaseRepresentation
bin10001010010011000
310121010112
4101102120
54231213
61303452
7413303
oct212230
9117115
1070808
1149221
1234b88
13262ca
141bb3a
1515ea8
hex11498

70808 has 16 divisors (see below), whose sum is σ = 136080. Its totient is φ = 34528.

The previous prime is 70793. The next prime is 70823. The reversal of 70808 is 80807.

It is an interprime number because it is at equal distance from previous prime (70793) and next prime (70823).

It is a congruent number.

It is an unprimeable number.

70808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 507.

It is an arithmetic number, because the mean of its divisors is an integer number (8505).

270808 is an apocalyptic number.

It is an amenable number.

70808 is a deficient number, since it is larger than the sum of its proper divisors (65272).

70808 is a wasteful number, since it uses less digits than its factorization.

70808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 70808 is about 266.0977264089. The cubic root of 70808 is about 41.3708181168.

Subtracting 70808 from its reverse (80807), we obtain a palindrome (9999).

It can be divided in two parts, 70 and 808, that added together give a palindrome (878).

The spelling of 70808 in words is "seventy thousand, eight hundred eight".

Divisors: 1 2 4 8 53 106 167 212 334 424 668 1336 8851 17702 35404 70808