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70643327 = 233199079
BaseRepresentation
bin1000011010111…
…10111001111111
311220221001102112
410031132321333
5121041041302
611002044235
71515313136
oct415367177
9156831375
1070643327
1136970417
121b7a967b
13118355b1
14954c91d
156306552
hex435ee7f

70643327 has 8 divisors (see below), whose sum is σ = 76093440. Its totient is φ = 65391480.

The previous prime is 70643299. The next prime is 70643351. The reversal of 70643327 is 72334607.

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

It is a cyclic number.

It is not a de Polignac number, because 70643327 - 28 = 70643071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70643293 and 70643302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70643357) 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, 48827 + ... + 50252.

It is an arithmetic number, because the mean of its divisors is an integer number (9511680).

Almost surely, 270643327 is an apocalyptic number.

70643327 is a deficient number, since it is larger than the sum of its proper divisors (5450113).

70643327 is a wasteful number, since it uses less digits than its factorization.

70643327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99133.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 70643327 is about 8404.9584769944. The cubic root of 70643327 is about 413.3872219166.

The spelling of 70643327 in words is "seventy million, six hundred forty-three thousand, three hundred twenty-seven".

Divisors: 1 23 31 713 99079 2278817 3071449 70643327