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303070445 = 52915713313
BaseRepresentation
bin10010000100000…
…111110011101101
3210010021120111022
4102010013303231
51110041223240
650023503525
710340025206
oct2204076355
9703246438
10303070445
11146091347
12855b7ba5
134aa34532
142c3725ad
151b9189b5
hex12107ced

303070445 has 16 divisors (see below), whose sum is σ = 378650160. Its totient is φ = 232587264.

The previous prime is 303070399. The next prime is 303070511. The reversal of 303070445 is 544070303.

It can be written as a sum of positive squares in 8 ways, for example, as 17156164 + 285914281 = 4142^2 + 16909^2 .

It is a cyclic number.

It is not a de Polignac number, because 303070445 - 28 = 303070189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16109 + ... + 29421.

It is an arithmetic number, because the mean of its divisors is an integer number (23665635).

Almost surely, 2303070445 is an apocalyptic number.

It is an amenable number.

303070445 is a deficient number, since it is larger than the sum of its proper divisors (75579715).

303070445 is a wasteful number, since it uses less digits than its factorization.

303070445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13504.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 303070445 is about 17408.9185476870. The cubic root of 303070445 is about 671.7090436914.

The spelling of 303070445 in words is "three hundred three million, seventy thousand, four hundred forty-five".

Divisors: 1 5 29 145 157 785 4553 13313 22765 66565 386077 1930385 2090141 10450705 60614089 303070445