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1190090140 = 22571778291
BaseRepresentation
bin100011011101111…
…0101010110011100
310001221100211202121
41012323311112130
54414130341030
6314031432324
741330412361
oct10673652634
93057324677
101190090140
11560858378
122926856a4
1315c734965
14b40b0468
156e72e47a
hex46ef559c

1190090140 has 24 divisors (see below), whose sum is σ = 2499838992. Its totient is φ = 475912320.

The previous prime is 1190090131. The next prime is 1190090141. The reversal of 1190090140 is 410900911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190090141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139395 + ... + 147685.

It is an arithmetic number, because the mean of its divisors is an integer number (104159958).

Almost surely, 21190090140 is an apocalyptic number.

1190090140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1190090140 is an abundant number, since it is smaller than the sum of its proper divisors (1309748852).

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

1190090140 is a wasteful number, since it uses less digits than its factorization.

1190090140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477 (or 15475 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1190090140 is about 34497.6831106090. The cubic root of 1190090140 is about 1059.7252580943.

The spelling of 1190090140 in words is "one billion, one hundred ninety million, ninety thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7177 8291 14354 16582 28708 33164 35885 41455 71770 82910 143540 165820 59504507 119009014 238018028 297522535 595045070 1190090140