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70530475 = 5217915761
BaseRepresentation
bin1000011010000…
…11010110101011
311220201022121211
410031003112223
5121023433400
610555413551
71514333131
oct415032653
9156638554
1070530475
11368a3654
121b7542b7
13117c6112
14951d751
1562d2dba
hex43435ab

70530475 has 12 divisors (see below), whose sum is σ = 87951960. Its totient is φ = 56105600.

The previous prime is 70530469. The next prime is 70530479. The reversal of 70530475 is 57403507.

It is not a de Polignac number, because 70530475 - 27 = 70530347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70530479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3406 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (7329330).

Almost surely, 270530475 is an apocalyptic number.

70530475 is a deficient number, since it is larger than the sum of its proper divisors (17421485).

70530475 is a wasteful number, since it uses less digits than its factorization.

70530475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15950 (or 15945 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 70530475 is about 8398.2423756403. The cubic root of 70530475 is about 413.1669772942.

The spelling of 70530475 in words is "seventy million, five hundred thirty thousand, four hundred seventy-five".

Divisors: 1 5 25 179 895 4475 15761 78805 394025 2821219 14106095 70530475