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1064442405 = 35135458679
BaseRepresentation
bin111111011100100…
…001101000100101
32202011221021110210
4333130201220211
54134444124110
6253342410033
735243416425
oct7734415045
92664837423
101064442405
114a6939374
12258590919
1313c6b11a0
14a1524485
15636b0520
hex3f721a25

1064442405 has 16 divisors (see below), whose sum is σ = 1834116480. Its totient is φ = 524033088.

The previous prime is 1064442389. The next prime is 1064442481. The reversal of 1064442405 is 5042444601.

It is a happy number.

It is not a de Polignac number, because 1064442405 - 24 = 1064442389 is a prime.

It is a super-2 number, since 2×10644424052 = 2266075267124368050, which contains 22 as substring.

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, 2729145 + ... + 2729534.

It is an arithmetic number, because the mean of its divisors is an integer number (114632280).

Almost surely, 21064442405 is an apocalyptic number.

1064442405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1064442405 is a deficient number, since it is larger than the sum of its proper divisors (769674075).

1064442405 is a wasteful number, since it uses less digits than its factorization.

1064442405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458700.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1064442405 is about 32625.7935535674. The cubic root of 1064442405 is about 1021.0352186841.

The spelling of 1064442405 in words is "one billion, sixty-four million, four hundred forty-two thousand, four hundred five".

Divisors: 1 3 5 13 15 39 65 195 5458679 16376037 27293395 70962827 81880185 212888481 354814135 1064442405