Base | Representation |
---|---|
bin | 10010001000000… |
… | …10000111100101 |
3 | 101121010001101212 |
4 | 21010002013211 |
5 | 302411132242 |
6 | 23031001205 |
7 | 3524264603 |
oct | 1104020745 |
9 | 347101355 |
10 | 152052197 |
11 | 78914080 |
12 | 42b09205 |
13 | 2566a01b |
14 | 162a0873 |
15 | d537782 |
hex | 91021e5 |
152052197 has 4 divisors (see below), whose sum is σ = 165875136. Its totient is φ = 138229260.
The previous prime is 152052181. The next prime is 152052209. The reversal of 152052197 is 791250251.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791250251 = 11 ⋅71931841.
It is a cyclic number.
It is not a de Polignac number, because 152052197 - 24 = 152052181 is a prime.
It is a super-2 number, since 2×1520521972 = 46239741225053618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152052157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6911453 + ... + 6911474.
It is an arithmetic number, because the mean of its divisors is an integer number (41468784).
Almost surely, 2152052197 is an apocalyptic number.
It is an amenable number.
152052197 is a deficient number, since it is larger than the sum of its proper divisors (13822939).
152052197 is a wasteful number, since it uses less digits than its factorization.
152052197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13822938.
The product of its (nonzero) digits is 6300, while the sum is 32.
The square root of 152052197 is about 12330.9446921150. The cubic root of 152052197 is about 533.7414115955.
The spelling of 152052197 in words is "one hundred fifty-two million, fifty-two thousand, one hundred ninety-seven".
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