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150027640 = 23571274219
BaseRepresentation
bin10001111000100…
…11110101111000
3101110022012020021
420330103311320
5301401341030
622515340224
73501133240
oct1074236570
9343265207
10150027640
1177760a94
12422b1674
132510b669
1415cd4b20
15d28797a
hex8f13d78

150027640 has 64 divisors (see below), whose sum is σ = 388915200. Its totient is φ = 51020928.

The previous prime is 150027613. The next prime is 150027659. The reversal of 150027640 is 46720051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33451 + ... + 37669.

It is an arithmetic number, because the mean of its divisors is an integer number (6076800).

Almost surely, 2150027640 is an apocalyptic number.

150027640 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 150027640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194457600).

150027640 is an abundant number, since it is smaller than the sum of its proper divisors (238887560).

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

150027640 is a wasteful number, since it uses less digits than its factorization.

150027640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 150027640 is about 12248.5770602140. The cubic root of 150027640 is about 531.3619180124.

Adding to 150027640 its reverse (46720051), we get a palindrome (196747691).

The spelling of 150027640 in words is "one hundred fifty million, twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 127 140 254 280 508 635 889 1016 1270 1778 2540 3556 4219 4445 5080 7112 8438 8890 16876 17780 21095 29533 33752 35560 42190 59066 84380 118132 147665 168760 236264 295330 535813 590660 1071626 1181320 2143252 2679065 3750691 4286504 5358130 7501382 10716260 15002764 18753455 21432520 30005528 37506910 75013820 150027640