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2451132140 = 225211580837
BaseRepresentation
bin1001001000011001…
…0100111011101100
320022211020102011212
42102012110323230
520004442212030
61043120133552
7114512164562
oct22206247354
96284212155
102451132140
111048666946
12584a672b8
13300a7c462
1419376da32
15e52c6595
hex92194eec

2451132140 has 24 divisors (see below), whose sum is σ = 5171781552. Its totient is φ = 975804480.

The previous prime is 2451132133. The next prime is 2451132191. The reversal of 2451132140 is 412311542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286199 + ... + 294638.

It is an arithmetic number, because the mean of its divisors is an integer number (215490898).

Almost surely, 22451132140 is an apocalyptic number.

2451132140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451132140 is an abundant number, since it is smaller than the sum of its proper divisors (2720649412).

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

2451132140 is a wasteful number, since it uses less digits than its factorization.

2451132140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581057 (or 581055 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2451132140 is about 49508.9097032039. The cubic root of 2451132140 is about 1348.3073692921.

Adding to 2451132140 its reverse (412311542), we get a palindrome (2863443682).

The spelling of 2451132140 in words is "two billion, four hundred fifty-one million, one hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 580837 1161674 2323348 2904185 5808370 11616740 122556607 245113214 490226428 612783035 1225566070 2451132140