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1147380807 = 31732279739
BaseRepresentation
bin100010001100011…
…1010010001000111
32221221222222120110
41010120322101013
54322212141212
6305504204103
740301401356
oct10430722107
92857888513
101147380807
11539737201
12280309633
1315392cb71
14ac55399d
156aae4a3c
hex4463a447

1147380807 has 16 divisors (see below), whose sum is σ = 1545621120. Its totient is φ = 757071072.

The previous prime is 1147380799. The next prime is 1147380811. The reversal of 1147380807 is 7080837411.

It is not a de Polignac number, because 1147380807 - 23 = 1147380799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147380827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112944 + ... + 122682.

It is an arithmetic number, because the mean of its divisors is an integer number (96601320).

Almost surely, 21147380807 is an apocalyptic number.

1147380807 is a deficient number, since it is larger than the sum of its proper divisors (398240313).

1147380807 is a wasteful number, since it uses less digits than its factorization.

1147380807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1147380807 is about 33873.0100079695. The cubic root of 1147380807 is about 1046.8935569200.

The spelling of 1147380807 in words is "one billion, one hundred forty-seven million, three hundred eighty thousand, eight hundred seven".

Divisors: 1 3 173 227 519 681 9739 29217 39271 117813 1684847 2210753 5054541 6632259 382460269 1147380807