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140016552 = 233131034357
BaseRepresentation
bin10000101100001…
…11101110101000
3100202110120121020
420112013232220
5241321012202
621521012440
73320056344
oct1026075650
9322416536
10140016552
1172043565
123aa84120
1323014a40
141484a624
15c45b5bc
hex8587ba8

140016552 has 64 divisors (see below), whose sum is σ = 380714880. Its totient is φ = 42653952.

The previous prime is 140016509. The next prime is 140016559. The reversal of 140016552 is 255610041.

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 (140016559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29958 + ... + 34314.

It is an arithmetic number, because the mean of its divisors is an integer number (5948670).

Almost surely, 2140016552 is an apocalyptic number.

140016552 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 140016552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190357440).

140016552 is an abundant number, since it is smaller than the sum of its proper divisors (240698328).

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

140016552 is a wasteful number, since it uses less digits than its factorization.

140016552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482 (or 4478 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 140016552 is about 11832.8589951879. The cubic root of 140016552 is about 519.2698727507.

Adding to 140016552 its reverse (255610041), we get a palindrome (395626593).

The spelling of 140016552 in words is "one hundred forty million, sixteen thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 103 104 156 206 309 312 412 618 824 1236 1339 2472 2678 4017 4357 5356 8034 8714 10712 13071 16068 17428 26142 32136 34856 52284 56641 104568 113282 169923 226564 339846 448771 453128 679692 897542 1346313 1359384 1795084 2692626 3590168 5385252 5834023 10770504 11668046 17502069 23336092 35004138 46672184 70008276 140016552