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1075131772 = 2211131879601
BaseRepresentation
bin100000000010101…
…0011010101111100
32202221001100112021
41000011103111330
54200213204042
6254403445524
735433316651
oct10005232574
92687040467
101075131772
1150197a460
122600868a4
13141984760
14a2b07c28
15645c2867
hex4015357c

1075131772 has 24 divisors (see below), whose sum is σ = 2210411952. Its totient is φ = 451104000.

The previous prime is 1075131727. The next prime is 1075131773. The reversal of 1075131772 is 2771315701.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075131773) 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 7 ways as a sum of consecutive naturals, for example, 939229 + ... + 940372.

It is an arithmetic number, because the mean of its divisors is an integer number (92100498).

Almost surely, 21075131772 is an apocalyptic number.

It is an amenable number.

1075131772 is an abundant number, since it is smaller than the sum of its proper divisors (1135280180).

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

1075131772 is a wasteful number, since it uses less digits than its factorization.

1075131772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879629 (or 1879627 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 34.

The square root of 1075131772 is about 32789.2020640942. The cubic root of 1075131772 is about 1024.4416620487.

The spelling of 1075131772 in words is "one billion, seventy-five million, one hundred thirty-one thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 1879601 3759202 7518404 20675611 24434813 41351222 48869626 82702444 97739252 268782943 537565886 1075131772