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1240770132 = 223274923691
BaseRepresentation
bin100100111110100…
…1010011001010100
310012110201122122100
41021331022121110
510020114121012
6323042002100
742514241430
oct11175123124
93173648570
101240770132
11587422a68
122a7646330
1316a09a714
14bab039c0
1573de08dc
hex49f4a654

1240770132 has 36 divisors (see below), whose sum is σ = 3584447776. Its totient is φ = 354505680.

The previous prime is 1240770131. The next prime is 1240770151. The reversal of 1240770132 is 2310770421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1240770096 and 1240770105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240770131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2461594 + ... + 2462097.

Almost surely, 21240770132 is an apocalyptic number.

1240770132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240770132 is an abundant number, since it is smaller than the sum of its proper divisors (2343677644).

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

1240770132 is a wasteful number, since it uses less digits than its factorization.

1240770132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923708 (or 4923703 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1240770132 is about 35224.5671655451. The cubic root of 1240770132 is about 1074.5594393029.

The spelling of 1240770132 in words is "one billion, two hundred forty million, seven hundred seventy thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 4923691 9847382 14771073 19694764 29542146 34465837 44313219 59084292 68931674 88626438 103397511 137863348 177252876 206795022 310192533 413590044 620385066 1240770132