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187141968 = 24331347709
BaseRepresentation
bin10110010011110…
…00111101010000
3111001010210112000
423021320331100
5340402020333
630323034000
74431452256
oct1311707520
9431123460
10187141968
1196700592
125280b900
132ca048c0
141abd65d6
1511669713
hexb278f50

187141968 has 160 divisors (see below), whose sum is σ = 591628800. Its totient is φ = 56277504.

The previous prime is 187141949. The next prime is 187141973. The reversal of 187141968 is 869141781.

It is a happy number.

187141968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 263598 + ... + 264306.

It is an arithmetic number, because the mean of its divisors is an integer number (3697680).

Almost surely, 2187141968 is an apocalyptic number.

187141968 is a gapful number since it is divisible by the number (18) 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 187141968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295814400).

187141968 is an abundant number, since it is smaller than the sum of its proper divisors (404486832).

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

187141968 is a wasteful number, since it uses less digits than its factorization.

187141968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 774 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 187141968 is about 13679.9842105172. The cubic root of 187141968 is about 571.9925830782.

The spelling of 187141968 in words is "one hundred eighty-seven million, one hundred forty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 47 48 52 54 72 78 94 104 108 117 141 144 156 188 208 216 234 282 312 351 376 423 432 468 564 611 624 702 709 752 846 936 1128 1222 1269 1404 1418 1692 1833 1872 2127 2256 2444 2538 2808 2836 3384 3666 4254 4888 5076 5499 5616 5672 6381 6768 7332 8508 9217 9776 10152 10998 11344 12762 14664 16497 17016 18434 19143 20304 21996 25524 27651 29328 32994 33323 34032 36868 38286 43992 51048 55302 65988 66646 73736 76572 82953 87984 99969 102096 110604 131976 133292 147472 153144 165906 199938 221208 248859 263952 266584 299907 306288 331812 399876 433199 442416 497718 533168 599814 663624 799752 866398 899721 995436 1199628 1299597 1327248 1599504 1732796 1799442 1990872 2399256 2599194 3465592 3598884 3898791 3981744 4798512 5198388 6931184 7197768 7797582 10396776 11696373 14395536 15595164 20793552 23392746 31190328 46785492 62380656 93570984 187141968