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70231465 = 514046293
BaseRepresentation
bin1000010111110…
…10010110101001
311220011010110101
410023322112221
5120434401330
610545145401
71511646313
oct413722651
9156133411
1070231465
1136709a37
121b62b261
131171cca5
1494827b3
1562744ca
hex42fa5a9

70231465 has 4 divisors (see below), whose sum is σ = 84277764. Its totient is φ = 56185168.

The previous prime is 70231463. The next prime is 70231481. The reversal of 70231465 is 56413207.

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 46621584 + 23609881 = 6828^2 + 4859^2 .

It is a cyclic number.

It is not a de Polignac number, because 70231465 - 21 = 70231463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70231463) 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, 7023142 + ... + 7023151.

It is an arithmetic number, because the mean of its divisors is an integer number (21069441).

Almost surely, 270231465 is an apocalyptic number.

It is an amenable number.

70231465 is a deficient number, since it is larger than the sum of its proper divisors (14046299).

70231465 is a wasteful number, since it uses less digits than its factorization.

70231465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046298.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70231465 is about 8380.4215287777. The cubic root of 70231465 is about 412.5822841667.

The spelling of 70231465 in words is "seventy million, two hundred thirty-one thousand, four hundred sixty-five".

Divisors: 1 5 14046293 70231465