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3445995687 = 31148665229
BaseRepresentation
bin1100110101100101…
…1011100010100111
322220011020201101220
43031121123202213
524024133330222
61325535351423
7151252323441
oct31531334247
98804221356
103445995687
1115091a1622
12802082573
1342bc0b704
14249941491
151527e0b5c
hexcd65b8a7

3445995687 has 4 divisors (see below), whose sum is σ = 4594660920. Its totient is φ = 2297330456.

The previous prime is 3445995643. The next prime is 3445995691. The reversal of 3445995687 is 7865995443.

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

It is a cyclic number.

It is not a de Polignac number, because 3445995687 - 210 = 3445994663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3445995687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445995607) 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, 574332612 + ... + 574332617.

It is an arithmetic number, because the mean of its divisors is an integer number (1148665230).

Almost surely, 23445995687 is an apocalyptic number.

3445995687 is a deficient number, since it is larger than the sum of its proper divisors (1148665233).

3445995687 is a wasteful number, since it uses less digits than its factorization.

3445995687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148665232.

The product of its digits is 32659200, while the sum is 60.

The square root of 3445995687 is about 58702.6037497486. The cubic root of 3445995687 is about 1510.4449790131. Note that the first 3 decimals are identical.

The spelling of 3445995687 in words is "three billion, four hundred forty-five million, nine hundred ninety-five thousand, six hundred eighty-seven".

Divisors: 1 3 1148665229 3445995687