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152504144 = 24131724359
BaseRepresentation
bin10010001011100…
…00011101010000
3101121222000100122
421011300131100
5303020113034
623044405412
73531156332
oct1105603520
9347860318
10152504144
11790a2691
12430a6868
1325797950
141637b452
15d5c662e
hex9170750

152504144 has 120 divisors (see below), whose sum is σ = 351748320. Its totient is φ = 63608832.

The previous prime is 152504129. The next prime is 152504167. The reversal of 152504144 is 441405251.

152504144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2584787 + ... + 2584845.

It is an arithmetic number, because the mean of its divisors is an integer number (2931236).

Almost surely, 2152504144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152504144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175874160).

152504144 is an abundant number, since it is smaller than the sum of its proper divisors (199244176).

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

152504144 is a wasteful number, since it uses less digits than its factorization.

152504144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 152504144 is about 12349.2568197443. The cubic root of 152504144 is about 534.2697043609.

Adding to 152504144 its reverse (441405251), we get a palindrome (593909395).

The spelling of 152504144 in words is "one hundred fifty-two million, five hundred four thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 16 17 26 34 43 52 59 68 86 104 118 136 172 208 221 236 272 289 344 442 472 559 578 688 731 767 884 944 1003 1118 1156 1462 1534 1768 2006 2236 2312 2537 2924 3068 3536 3757 4012 4472 4624 5074 5848 6136 7514 8024 8944 9503 10148 11696 12272 12427 13039 15028 16048 17051 19006 20296 24854 26078 30056 32981 34102 38012 40592 43129 49708 52156 60112 65962 68204 76024 86258 99416 104312 131924 136408 152048 161551 172516 198832 208624 221663 263848 272816 323102 345032 443326 527696 560677 646204 690064 733193 886652 1121354 1292408 1466386 1773304 2242708 2584816 2932772 3546608 4485416 5865544 8970832 9531509 11731088 19063018 38126036 76252072 152504144