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70571701 = 411721261
BaseRepresentation
bin1000011010011…
…01011010110101
311220210102011201
410031031122311
5121031243301
611000332501
71514564254
oct415153265
9156712151
1070571701
1136921622
121b774131
131180bb05
14953079b
1562e0201
hex434d6b5

70571701 has 4 divisors (see below), whose sum is σ = 72293004. Its totient is φ = 68850400.

The previous prime is 70571689. The next prime is 70571707. The reversal of 70571701 is 10717507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36360900 + 34210801 = 6030^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 70571701 - 225 = 37017269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70571701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70571707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860590 + ... + 860671.

It is an arithmetic number, because the mean of its divisors is an integer number (18073251).

Almost surely, 270571701 is an apocalyptic number.

It is an amenable number.

70571701 is a deficient number, since it is larger than the sum of its proper divisors (1721303).

70571701 is a wasteful number, since it uses less digits than its factorization.

70571701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721302.

The product of its (nonzero) digits is 1715, while the sum is 28.

The square root of 70571701 is about 8400.6964592229. The cubic root of 70571701 is about 413.2474621445.

The spelling of 70571701 in words is "seventy million, five hundred seventy-one thousand, seven hundred one".

Divisors: 1 41 1721261 70571701