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152344140 = 2235131711489
BaseRepresentation
bin10010001010010…
…01011001001100
3101121122212212120
421011021121030
5303000003030
623041132540
73526622004
oct1105113114
9347585776
10152344140
1178aa3453
124302a150
132573cb80
1416339004
15d594010
hex914964c

152344140 has 96 divisors (see below), whose sum is σ = 486440640. Its totient is φ = 35291136.

The previous prime is 152344121. The next prime is 152344187. The reversal of 152344140 is 41443251.

It is a self number, because there is not a number n which added to its sum of digits gives 152344140.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7516 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (5067090).

Almost surely, 2152344140 is an apocalyptic number.

152344140 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 152344140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243220320).

152344140 is an abundant number, since it is smaller than the sum of its proper divisors (334096500).

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

152344140 is a wasteful number, since it uses less digits than its factorization.

152344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531 (or 11529 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 152344140 is about 12342.7768350562. The cubic root of 152344140 is about 534.0827909621.

Adding to 152344140 its reverse (41443251), we get a palindrome (193787391).

The spelling of 152344140 in words is "one hundred fifty-two million, three hundred forty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 39 51 52 60 65 68 78 85 102 130 156 170 195 204 221 255 260 340 390 442 510 663 780 884 1020 1105 1326 2210 2652 3315 4420 6630 11489 13260 22978 34467 45956 57445 68934 114890 137868 149357 172335 195313 229780 298714 344670 390626 448071 585939 597428 689340 746785 781252 896142 976565 1171878 1493570 1792284 1953130 2240355 2343756 2539069 2929695 2987140 3906260 4480710 5078138 5859390 7617207 8961420 10156276 11718780 12695345 15234414 25390690 30468828 38086035 50781380 76172070 152344140