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214130140 = 22571529501
BaseRepresentation
bin11001100001101…
…01110111011100
3112220220221022221
430300311313130
5414304131030
633125315124
75210035060
oct1460656734
9486827287
10214130140
11aa964164
125b865aa4
1335493a33
142061daa0
1513beae7a
hexcc35ddc

214130140 has 24 divisors (see below), whose sum is σ = 513912672. Its totient is φ = 73416000.

The previous prime is 214130131. The next prime is 214130143. The reversal of 214130140 is 41031412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214130143) 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, 764611 + ... + 764890.

It is an arithmetic number, because the mean of its divisors is an integer number (21413028).

Almost surely, 2214130140 is an apocalyptic number.

214130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214130140 is an abundant number, since it is smaller than the sum of its proper divisors (299782532).

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

214130140 is a wasteful number, since it uses less digits than its factorization.

214130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529517 (or 1529515 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 214130140 is about 14633.1862559048. The cubic root of 214130140 is about 598.2636280161.

Adding to 214130140 its reverse (41031412), we get a palindrome (255161552).

The spelling of 214130140 in words is "two hundred fourteen million, one hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1529501 3059002 6118004 7647505 10706507 15295010 21413014 30590020 42826028 53532535 107065070 214130140