Base | Representation |
---|---|
bin | 1000010110100… |
… | …11100011010100 |
3 | 11212212001102222 |
4 | 10023103203110 |
5 | 120414310112 |
6 | 10541521512 |
7 | 1510415045 |
oct | 413234324 |
9 | 155761388 |
10 | 70072532 |
11 | 36610592 |
12 | 1b573298 |
13 | 1169584a |
14 | 94408cc |
15 | 6242372 |
hex | 42d38d4 |
70072532 has 24 divisors (see below), whose sum is σ = 129877440. Its totient is φ = 32987520.
The previous prime is 70072517. The next prime is 70072571. The reversal of 70072532 is 23527007.
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, 9932 + ... + 15452.
It is an arithmetic number, because the mean of its divisors is an integer number (5411560).
Almost surely, 270072532 is an apocalyptic number.
It is an amenable number.
70072532 is a deficient number, since it is larger than the sum of its proper divisors (59804908).
70072532 is a wasteful number, since it uses less digits than its factorization.
70072532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5711 (or 5709 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 26.
The square root of 70072532 is about 8370.9337591454. The cubic root of 70072532 is about 412.2708261137.
Adding to 70072532 its reverse (23527007), we get a palindrome (93599539).
The spelling of 70072532 in words is "seventy million, seventy-two thousand, five hundred thirty-two".
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