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70110387 = 332596681
BaseRepresentation
bin1000010110111…
…00110010110011
311212220222101000
410023130302303
5120422013022
610542413043
71510633314
oct413346263
9155828330
1070110387
1136636a76
121b591183
13116a9b49
14945060b
15624d6ac
hex42dccb3

70110387 has 8 divisors (see below), whose sum is σ = 103867280. Its totient is φ = 46740240.

The previous prime is 70110377. The next prime is 70110407. The reversal of 70110387 is 78301107.

It is not a de Polignac number, because 70110387 - 210 = 70109363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2596681 = 70110387 / (7 + 0 + 1 + 1 + 0 + 3 + 8 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70110387.

It is not an unprimeable number, because it can be changed into a prime (70110317) 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, 1298314 + ... + 1298367.

It is an arithmetic number, because the mean of its divisors is an integer number (12983410).

Almost surely, 270110387 is an apocalyptic number.

70110387 is a deficient number, since it is larger than the sum of its proper divisors (33756893).

70110387 is a wasteful number, since it uses less digits than its factorization.

70110387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596690 (or 2596684 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 70110387 is about 8373.1945516631. The cubic root of 70110387 is about 412.3450525481.

The spelling of 70110387 in words is "seventy million, one hundred ten thousand, three hundred eighty-seven".

Divisors: 1 3 9 27 2596681 7790043 23370129 70110387