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1072403405 = 52319934679
BaseRepresentation
bin111111111010111…
…001001111001101
32202201220201220122
4333322321033031
54144013402110
6254225154325
735401164353
oct7772711715
92681821818
101072403405
11500386607
1225b18b9a5
1314123a938
14a25d77d3
1564234255
hex3feb93cd

1072403405 has 16 divisors (see below), whose sum is σ = 1343796480. Its totient is φ = 820034688.

The previous prime is 1072403399. The next prime is 1072403419. The reversal of 1072403405 is 5043042701.

It is a cyclic number.

It is not a de Polignac number, because 1072403405 - 26 = 1072403341 is a prime.

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, 226856 + ... + 231534.

It is an arithmetic number, because the mean of its divisors is an integer number (83987280).

Almost surely, 21072403405 is an apocalyptic number.

It is an amenable number.

1072403405 is a deficient number, since it is larger than the sum of its proper divisors (271393075).

1072403405 is a wasteful number, since it uses less digits than its factorization.

1072403405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1072403405 is about 32747.5709786237. The cubic root of 1072403405 is about 1023.5743511523.

The spelling of 1072403405 in words is "one billion, seventy-two million, four hundred three thousand, four hundred five".

Divisors: 1 5 23 115 1993 4679 9965 23395 45839 107617 229195 538085 9325247 46626235 214480681 1072403405