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70850705 = 514170141
BaseRepresentation
bin1000011100100…
…01100010010001
311221022120220012
410032101202101
5121114210310
611010324305
71520135552
oct416214221
9157276805
1070850705
1136aa2202
121b889695
13118a8ac3
1495a4329
156347c05
hex4391891

70850705 has 4 divisors (see below), whose sum is σ = 85020852. Its totient is φ = 56680560.

The previous prime is 70850699. The next prime is 70850711. The reversal of 70850705 is 50705807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50705807 = 411236727.

It is an interprime number because it is at equal distance from previous prime (70850699) and next prime (70850711).

It can be written as a sum of positive squares in 2 ways, for example, as 28912129 + 41938576 = 5377^2 + 6476^2 .

It is not a de Polignac number, because 70850705 - 26 = 70850641 is a prime.

It is a Duffinian 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, 7085066 + ... + 7085075.

It is an arithmetic number, because the mean of its divisors is an integer number (21255213).

Almost surely, 270850705 is an apocalyptic number.

It is an amenable number.

70850705 is a deficient number, since it is larger than the sum of its proper divisors (14170147).

70850705 is a wasteful number, since it uses less digits than its factorization.

70850705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170146.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 70850705 is about 8417.2860828179. The cubic root of 70850705 is about 413.7913349418.

The spelling of 70850705 in words is "seventy million, eight hundred fifty thousand, seven hundred five".

Divisors: 1 5 14170141 70850705