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70478 = 2131269
BaseRepresentation
bin10001001101001110
310120200022
4101031032
54223403
61302142
7412322
oct211516
9116608
1070478
1148a51
1234952
1326105
141b982
1515d38
hex1134e

70478 has 8 divisors (see below), whose sum is σ = 106920. Its totient is φ = 34840.

The previous prime is 70459. The next prime is 70481. The reversal of 70478 is 87407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 75 + 0 + 46 + 75 + 85 .

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 396.

It is an arithmetic number, because the mean of its divisors is an integer number (13365).

270478 is an apocalyptic number.

70478 is a deficient number, since it is larger than the sum of its proper divisors (36442).

70478 is a wasteful number, since it uses less digits than its factorization.

70478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 70478 is about 265.4769293178. The cubic root of 70478 is about 41.3064485824.

The spelling of 70478 in words is "seventy thousand, four hundred seventy-eight".

Divisors: 1 2 131 262 269 538 35239 70478