[go: up one dir, main page]

Search a number
-
+
152442312 = 23311599787
BaseRepresentation
bin10010001011000…
…01010111001000
3101121211212112120
421011201113020
5303011123222
623043211240
73530511141
oct1105412710
9347755476
10152442312
1179060190
1243076b20
1325775769
1416362ac8
15d5b315c
hex91615c8

152442312 has 64 divisors (see below), whose sum is σ = 422841600. Its totient is φ = 45407040.

The previous prime is 152442259. The next prime is 152442313. The reversal of 152442312 is 213244251.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (152442313) 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, 10683 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (6606900).

Almost surely, 2152442312 is an apocalyptic number.

152442312 is a gapful number since it is divisible by the number (12) 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 152442312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211420800).

152442312 is an abundant number, since it is smaller than the sum of its proper divisors (270399288).

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

152442312 is a wasteful number, since it uses less digits than its factorization.

152442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9862 counting only the distinct ones).

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

The square root of 152442312 is about 12346.7530954498. The cubic root of 152442312 is about 534.1974889899.

Adding to 152442312 its reverse (213244251), we get a palindrome (365686563).

The spelling of 152442312 in words is "one hundred fifty-two million, four hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 59 66 88 118 132 177 236 264 354 472 649 708 1298 1416 1947 2596 3894 5192 7788 9787 15576 19574 29361 39148 58722 78296 107657 117444 215314 234888 322971 430628 577433 645942 861256 1154866 1291884 1732299 2309732 2583768 3464598 4619464 6351763 6929196 12703526 13858392 19055289 25407052 38110578 50814104 76221156 152442312