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1147090830 = 235311233431
BaseRepresentation
bin100010001011111…
…0011011110001110
32221221110020210120
41010113303132032
54322123401310
6305454045410
740266053064
oct10427633616
92857406716
101147090830
11539559356
122801a9866
1315385ab92
14ac4ba034
156aa88b70
hex445f378e

1147090830 has 32 divisors (see below), whose sum is σ = 2841827328. Its totient is φ = 296023200.

The previous prime is 1147090783. The next prime is 1147090843. The reversal of 1147090830 is 380907411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1147090791 and 1147090800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615786 + ... + 617645.

It is an arithmetic number, because the mean of its divisors is an integer number (88807104).

Almost surely, 21147090830 is an apocalyptic number.

1147090830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147090830 is an abundant number, since it is smaller than the sum of its proper divisors (1694736498).

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

1147090830 is a wasteful number, since it uses less digits than its factorization.

1147090830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233472.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1147090830 is about 33868.7293827212. The cubic root of 1147090830 is about 1046.8053558541.

The spelling of 1147090830 in words is "one billion, one hundred forty-seven million, ninety thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1233431 2466862 3700293 6167155 7400586 12334310 18501465 37002930 38236361 76472722 114709083 191181805 229418166 382363610 573545415 1147090830