Base | Representation |
---|---|
bin | 10010001010100… |
… | …01110110000000 |
3 | 101121201122100111 |
4 | 21011101312000 |
5 | 303002110002 |
6 | 23042001104 |
7 | 3530124631 |
oct | 1105216600 |
9 | 347648314 |
10 | 152378752 |
11 | 79017459 |
12 | 43046194 |
13 | 25752856 |
14 | 16347888 |
15 | d59e3d7 |
hex | 9151d80 |
152378752 has 64 divisors (see below), whose sum is σ = 323870400. Its totient is φ = 71163904.
The previous prime is 152378741. The next prime is 152378761. The reversal of 152378752 is 257873251.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×1523787522 = 46438568122155008, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519918 + ... + 520210.
It is an arithmetic number, because the mean of its divisors is an integer number (5060475).
Almost surely, 2152378752 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 152378752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161935200).
152378752 is an abundant number, since it is smaller than the sum of its proper divisors (171491648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152378752 is a wasteful number, since it uses less digits than its factorization.
152378752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 563 (or 551 counting only the distinct ones).
The product of its digits is 117600, while the sum is 40.
The square root of 152378752 is about 12344.1788710307. The cubic root of 152378752 is about 534.1232350815.
The spelling of 152378752 in words is "one hundred fifty-two million, three hundred seventy-eight thousand, seven hundred fifty-two".
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