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152730071 = 1315774831
BaseRepresentation
bin10010001101001…
…11100111010111
3101122101111021022
421012213213113
5303044330241
623053311355
73533120114
oct1106474727
9348344238
10152730071
11792373aa
124319555b
1325846730
14163d990b
15d61d54b
hex91a79d7

152730071 has 8 divisors (see below), whose sum is σ = 165528384. Its totient is φ = 140081760.

The previous prime is 152730013. The next prime is 152730101. The reversal of 152730071 is 170037251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-152730071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152730071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152730001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35375 + ... + 39456.

It is an arithmetic number, because the mean of its divisors is an integer number (20691048).

Almost surely, 2152730071 is an apocalyptic number.

152730071 is a deficient number, since it is larger than the sum of its proper divisors (12798313).

152730071 is a wasteful number, since it uses less digits than its factorization.

152730071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75001.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 152730071 is about 12358.4008269679. The cubic root of 152730071 is about 534.5334051601.

The spelling of 152730071 in words is "one hundred fifty-two million, seven hundred thirty thousand, seventy-one".

Divisors: 1 13 157 2041 74831 972803 11748467 152730071