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152335240 = 23531432857
BaseRepresentation
bin10010001010001…
…11001110001000
3101121122102122221
421011013032020
5302444211430
623041023424
73526554031
oct1105071610
9347572587
10152335240
1178a977a2
1243024b74
1325738ac5
1416335a88
15d59157a
hex9147388

152335240 has 64 divisors (see below), whose sum is σ = 362165760. Its totient is φ = 57576960.

The previous prime is 152335237. The next prime is 152335241. The reversal of 152335240 is 42533251.

It is not an unprimeable number, because it can be changed into a prime (152335241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51892 + ... + 54748.

It is an arithmetic number, because the mean of its divisors is an integer number (5658840).

Almost surely, 2152335240 is an apocalyptic number.

152335240 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 152335240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181082880).

152335240 is an abundant number, since it is smaller than the sum of its proper divisors (209830520).

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

152335240 is a wasteful number, since it uses less digits than its factorization.

152335240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 152335240 is about 12342.4162950372. The cubic root of 152335240 is about 534.0723903227.

Adding to 152335240 its reverse (42533251), we get a palindrome (194868491).

It can be divided in two parts, 1523 and 35240, that added together give a palindrome (36763).

The spelling of 152335240 in words is "one hundred fifty-two million, three hundred thirty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 43 62 86 124 155 172 215 248 310 344 430 620 860 1240 1333 1720 2666 2857 5332 5714 6665 10664 11428 13330 14285 22856 26660 28570 53320 57140 88567 114280 122851 177134 245702 354268 442835 491404 614255 708536 885670 982808 1228510 1771340 2457020 3542680 3808381 4914040 7616762 15233524 19041905 30467048 38083810 76167620 152335240