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214140528 = 243271091949
BaseRepresentation
bin11001100001110…
…00011001110000
3112220221110120200
430300320121300
5414304444103
633125435200
75210110260
oct1460703160
9486843520
10214140528
11aa970a48
125b86bb00
1335498694
14206237a0
1513bee0a3
hexcc38670

214140528 has 120 divisors (see below), whose sum is σ = 691548000. Its totient is φ = 60590592.

The previous prime is 214140527. The next prime is 214140533. The reversal of 214140528 is 825041412.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214140523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108898 + ... + 110846.

It is an arithmetic number, because the mean of its divisors is an integer number (5762900).

Almost surely, 2214140528 is an apocalyptic number.

214140528 is a gapful number since it is divisible by the number (28) 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 214140528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345774000).

214140528 is an abundant number, since it is smaller than the sum of its proper divisors (477407472).

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

214140528 is a wasteful number, since it uses less digits than its factorization.

214140528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 214140528 is about 14633.5411982199. The cubic root of 214140528 is about 598.2733022918.

The spelling of 214140528 in words is "two hundred fourteen million, one hundred forty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 109 112 126 144 168 218 252 327 336 436 504 654 763 872 981 1008 1308 1526 1744 1949 1962 2289 2616 3052 3898 3924 4578 5232 5847 6104 6867 7796 7848 9156 11694 12208 13643 13734 15592 15696 17541 18312 23388 27286 27468 31184 35082 36624 40929 46776 54572 54936 70164 81858 93552 109144 109872 122787 140328 163716 212441 218288 245574 280656 327432 424882 491148 637323 654864 849764 982296 1274646 1487087 1699528 1911969 1964592 2549292 2974174 3399056 3823938 4461261 5098584 5948348 7647876 8922522 10197168 11896696 13383783 15295752 17845044 23793392 26767566 30591504 35690088 53535132 71380176 107070264 214140528