Base | Representation |
---|---|
bin | 1000010111001… |
… | …10111111010101 |
3 | 11220000002122202 |
4 | 10023212333111 |
5 | 120424332044 |
6 | 10543334245 |
7 | 1511166134 |
oct | 413467725 |
9 | 156002582 |
10 | 70152149 |
11 | 36665391 |
12 | 1b5b1385 |
13 | 116c2b62 |
14 | 946191b |
15 | 625ac4e |
hex | 42e6fd5 |
70152149 has 12 divisors (see below), whose sum is σ = 75654624. Its totient is φ = 65022144.
The previous prime is 70152127. The next prime is 70152169. The reversal of 70152149 is 94125107.
It is not a de Polignac number, because 70152149 - 212 = 70148053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70152109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17552 + ... + 21174.
It is an arithmetic number, because the mean of its divisors is an integer number (6304552).
Almost surely, 270152149 is an apocalyptic number.
It is an amenable number.
70152149 is a deficient number, since it is larger than the sum of its proper divisors (5502475).
70152149 is a wasteful number, since it uses less digits than its factorization.
70152149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3724 (or 3707 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 70152149 is about 8375.6879717430. The cubic root of 70152149 is about 412.4269088740.
The spelling of 70152149 in words is "seventy million, one hundred fifty-two thousand, one hundred forty-nine".
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