Search a number
-
+
42056352 = 25321347239
BaseRepresentation
bin1010000001101…
…1101010100000
32221010200110200
42200123222200
541231300402
64101225200
71020321162
oct240335240
987120420
1042056352
1121815618
1212102200
138936820
14582a932
153a5b21c
hex281baa0

42056352 has 144 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 12612096.

The previous prime is 42056303. The next prime is 42056359. The reversal of 42056352 is 25365024.

42056352 is a `hidden beast` number, since 4 + 20 + 5 + 635 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (42056359) 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, 175849 + ... + 176087.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 242056352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42056352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

42056352 is an abundant number, since it is smaller than the sum of its proper divisors (90031968).

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

42056352 is a wasteful number, since it uses less digits than its factorization.

42056352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42056352 is about 6485.0868922475. The cubic root of 42056352 is about 347.7580561658.

It can be divided in two parts, 4 and 2056352, that added together give a square (2056356 = 14342).

The spelling of 42056352 in words is "forty-two million, fifty-six thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 47 48 52 72 78 94 96 104 117 141 144 156 188 208 234 239 282 288 312 376 416 423 468 478 564 611 624 717 752 846 936 956 1128 1222 1248 1434 1504 1692 1833 1872 1912 2151 2256 2444 2868 3107 3384 3666 3744 3824 4302 4512 4888 5499 5736 6214 6768 7332 7648 8604 9321 9776 10998 11233 11472 12428 13536 14664 17208 18642 19552 21996 22466 22944 24856 27963 29328 33699 34416 37284 43992 44932 49712 55926 58656 67398 68832 74568 87984 89864 99424 101097 111852 134796 146029 149136 175968 179728 202194 223704 269592 292058 298272 359456 404388 438087 447408 539184 584116 808776 876174 894816 1078368 1168232 1314261 1617552 1752348 2336464 2628522 3235104 3504696 4672928 5257044 7009392 10514088 14018784 21028176 42056352