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142528120 = 23571973367
BaseRepresentation
bin10000111111011…
…00111001111000
3100221012011211021
420133230321320
5242441344440
622050512224
73350316610
oct1037547170
9327164737
10142528120
11734a9539
123b895674
13236b3c87
1414d01a40
15c7a584a
hex87ece78

142528120 has 128 divisors (see below), whose sum is σ = 392140800. Its totient is φ = 45536256.

The previous prime is 142528117. The next prime is 142528151. The reversal of 142528120 is 21825241.

142528120 is nontrivially palindromic in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388177 + ... + 388543.

It is an arithmetic number, because the mean of its divisors is an integer number (3063600).

Almost surely, 2142528120 is an apocalyptic number.

142528120 is a gapful number since it is divisible by the number (10) 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 142528120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196070400).

142528120 is an abundant number, since it is smaller than the sum of its proper divisors (249612680).

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

142528120 is a wasteful number, since it uses less digits than its factorization.

142528120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 142528120 is about 11938.5141454035. The cubic root of 142528120 is about 522.3563183295.

The spelling of 142528120 in words is "one hundred forty-two million, five hundred twenty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 73 76 95 133 140 146 152 190 266 280 292 365 367 380 511 532 584 665 730 734 760 1022 1064 1330 1387 1460 1468 1835 2044 2555 2569 2660 2774 2920 2936 3670 4088 5110 5138 5320 5548 6935 6973 7340 9709 10220 10276 11096 12845 13870 13946 14680 19418 20440 20552 25690 26791 27740 27892 34865 38836 48545 48811 51380 53582 55480 55784 69730 77672 97090 97622 102760 107164 133955 139460 187537 194180 195244 214328 244055 267910 278920 375074 388360 390488 488110 509029 535820 750148 937685 976220 1018058 1071640 1500296 1875370 1952440 2036116 2545145 3563203 3750740 4072232 5090290 7126406 7501480 10180580 14252812 17816015 20361160 28505624 35632030 71264060 142528120