Search a number
-
+
152543142 = 23317166169
BaseRepresentation
bin10010001011110…
…01111110100110
3101122000222212000
421011321332212
5303022340032
623045310130
73531411123
oct1105717646
9348028760
10152543142
1179119a14
1243105346
13257ac61b
141638b74a
15d5d2e7c
hex9179fa6

152543142 has 32 divisors (see below), whose sum is σ = 358927200. Its totient is φ = 47856384.

The previous prime is 152543123. The next prime is 152543173. The reversal of 152543142 is 241345251.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 82167 + ... + 84002.

It is an arithmetic number, because the mean of its divisors is an integer number (11216475).

Almost surely, 2152543142 is an apocalyptic number.

152543142 is an abundant number, since it is smaller than the sum of its proper divisors (206384058).

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

152543142 is a wasteful number, since it uses less digits than its factorization.

152543142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166197 (or 166191 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 152543142 is about 12350.8356802283. The cubic root of 152543142 is about 534.3152412091.

Adding to 152543142 its reverse (241345251), we get a palindrome (393888393).

The spelling of 152543142 in words is "one hundred fifty-two million, five hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 166169 332338 498507 997014 1495521 2824873 2991042 4486563 5649746 8474619 8973126 16949238 25423857 50847714 76271571 152543142