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1445246465 = 513296112569
BaseRepresentation
bin101011000100100…
…1011011000000001
310201201111010102212
41112021023120001
510424440341330
6355224351505
750546251355
oct12611133001
93651433385
101445246465
11681893073
12344015595
131a0561330
14d9d2d465
1586d31295
hex5624b601

1445246465 has 32 divisors (see below), whose sum is σ = 1963936800. Its totient is φ = 1013483520.

The previous prime is 1445246389. The next prime is 1445246497. The reversal of 1445246465 is 5646425441.

It can be written as a sum of positive squares in 16 ways, for example, as 461734144 + 983512321 = 21488^2 + 31361^2 .

It is not a de Polignac number, because 1445246465 - 214 = 1445230081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108701 + ... + 121269.

It is an arithmetic number, because the mean of its divisors is an integer number (61373025).

Almost surely, 21445246465 is an apocalyptic number.

It is an amenable number.

1445246465 is a deficient number, since it is larger than the sum of its proper divisors (518690335).

1445246465 is a wasteful number, since it uses less digits than its factorization.

1445246465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12677.

The product of its digits is 460800, while the sum is 41.

The square root of 1445246465 is about 38016.3973174734. The cubic root of 1445246465 is about 1130.6129926497.

The spelling of 1445246465 in words is "one billion, four hundred forty-five million, two hundred forty-six thousand, four hundred sixty-five".

Divisors: 1 5 13 29 61 65 145 305 377 793 1769 1885 3965 8845 12569 22997 62845 114985 163397 364501 766709 816985 1822505 3833545 4738513 9967217 22234561 23692565 49836085 111172805 289049293 1445246465