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70624 = 252207
BaseRepresentation
bin10001001111100000
310120212201
4101033200
54224444
61302544
7412621
oct211740
9116781
1070624
1149074
1234a54
13261b8
141ba48
1515dd4
hex113e0

70624 has 12 divisors (see below), whose sum is σ = 139104. Its totient is φ = 35296.

The previous prime is 70621. The next prime is 70627. The reversal of 70624 is 42607.

It is an interprime number because it is at equal distance from previous prime (70621) and next prime (70627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072 + ... + 1135.

It is an arithmetic number, because the mean of its divisors is an integer number (11592).

270624 is an apocalyptic number.

It is an amenable number.

70624 is a deficient number, since it is larger than the sum of its proper divisors (68480).

70624 is a wasteful number, since it uses less digits than its factorization.

70624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2209 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70624 is about 265.7517638700. The cubic root of 70624 is about 41.3349519542.

The spelling of 70624 in words is "seventy thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 32 2207 4414 8828 17656 35312 70624