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1073272064 = 286168729
BaseRepresentation
bin111111111110001…
…101010100000000
32202210112212111012
4333332031110000
54144224201224
6254255540052
735411443034
oct7776152400
92683485435
101073272064
1150091a207
1225b52a628
13141483137
14a27821c4
156435680e
hex3ff8d500

1073272064 has 36 divisors (see below), whose sum is σ = 2177503860. Its totient is φ = 527831040.

The previous prime is 1073272043. The next prime is 1073272099. The reversal of 1073272064 is 4602723701.

It can be written as a sum of positive squares in 2 ways, for example, as 289272064 + 784000000 = 17008^2 + 28000^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1073272064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18749 + ... + 49980.

Almost surely, 21073272064 is an apocalyptic number.

It is an amenable number.

1073272064 is an abundant number, since it is smaller than the sum of its proper divisors (1104231796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1073272064 is an frugal number, since it uses more digits than its factorization.

1073272064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68806 (or 68792 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1073272064 is about 32760.8312470853. The cubic root of 1073272064 is about 1023.8506455348.

Adding to 1073272064 its reverse (4602723701), we get a palindrome (5675995765).

The spelling of 1073272064 in words is "one billion, seventy-three million, two hundred seventy-two thousand, sixty-four".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 256 488 976 1952 3904 7808 15616 68729 137458 274916 549832 1099664 2199328 4192469 4398656 8384938 8797312 16769876 17594624 33539752 67079504 134159008 268318016 536636032 1073272064