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1133131930 = 25747344417
BaseRepresentation
bin100001110001010…
…0011100010011010
32220222012001210021
41003202203202122
54310040210210
6304234541054
740036314430
oct10342434232
92828161707
101133131930
11531694877
1227759778a
131509b1388
14aa6c4d50
156972cbda
hex438a389a

1133131930 has 32 divisors (see below), whose sum is σ = 2380617216. Its totient is φ = 380235264.

The previous prime is 1133131849. The next prime is 1133131931. The reversal of 1133131930 is 391313311.

It is a junction number, because it is equal to n+sod(n) for n = 1133131895 and 1133131904.

It is not an unprimeable number, because it can be changed into a prime (1133131931) 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, 168919 + ... + 175498.

It is an arithmetic number, because the mean of its divisors is an integer number (74394288).

Almost surely, 21133131930 is an apocalyptic number.

1133131930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1133131930 is an abundant number, since it is smaller than the sum of its proper divisors (1247485286).

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

1133131930 is a wasteful number, since it uses less digits than its factorization.

1133131930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344478.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1133131930 is about 33662.0250430660. The cubic root of 1133131930 is about 1042.5418378469.

The spelling of 1133131930 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 344417 688834 1722085 2410919 3444170 4821838 12054595 16187599 24109190 32375198 80937995 113313193 161875990 226626386 566565965 1133131930