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214130040 = 23358321499
BaseRepresentation
bin11001100001101…
…01110101111000
3112220220221012020
430300311311320
5414304130130
633125314440
75210034555
oct1460656570
9486827166
10214130040
11aa964083
125b865a20
1335493987
142061da2c
1513beae10
hexcc35d78

214130040 has 64 divisors (see below), whose sum is σ = 650160000. Its totient is φ = 56410752.

The previous prime is 214130027. The next prime is 214130047. The reversal of 214130040 is 40031412.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214130047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790 + ... + 20709.

It is an arithmetic number, because the mean of its divisors is an integer number (10158750).

Almost surely, 2214130040 is an apocalyptic number.

214130040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214130040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325080000).

214130040 is an abundant number, since it is smaller than the sum of its proper divisors (436029960).

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

214130040 is a wasteful number, since it uses less digits than its factorization.

214130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21596 (or 21592 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 214130040 is about 14633.1828390135. The cubic root of 214130040 is about 598.2635348852.

Adding to 214130040 its reverse (40031412), we get a palindrome (254161452).

The spelling of 214130040 in words is "two hundred fourteen million, one hundred thirty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 83 120 166 249 332 415 498 664 830 996 1245 1660 1992 2490 3320 4980 9960 21499 42998 64497 85996 107495 128994 171992 214990 257988 322485 429980 515976 644970 859960 1289940 1784417 2579880 3568834 5353251 7137668 8922085 10706502 14275336 17844170 21413004 26766255 35688340 42826008 53532510 71376680 107065020 214130040