Base | Representation |
---|---|
bin | 1000100110110… |
… | …00100001010011 |
3 | 12000211122010000 |
4 | 10103120201103 |
5 | 121440040120 |
6 | 11055141043 |
7 | 1534414401 |
oct | 423304123 |
9 | 160748100 |
10 | 72190035 |
11 | 37827495 |
12 | 20214783 |
13 | 11c575c8 |
14 | 9832471 |
15 | 650e990 |
hex | 44d8853 |
72190035 has 20 divisors (see below), whose sum is σ = 129408048. Its totient is φ = 38501136.
The previous prime is 72190033. The next prime is 72190049. The reversal of 72190035 is 53009127.
It is not a de Polignac number, because 72190035 - 21 = 72190033 is a prime.
It is a super-2 number, since 2×721900352 = 10422802306602450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 72189990 and 72190008.
It is not an unprimeable number, because it can be changed into a prime (72190033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88719 + ... + 89528.
Almost surely, 272190035 is an apocalyptic number.
72190035 is a deficient number, since it is larger than the sum of its proper divisors (57218013).
72190035 is a wasteful number, since it uses less digits than its factorization.
72190035 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178264 (or 178255 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 72190035 is about 8496.4719148597. The cubic root of 72190035 is about 416.3824511536.
The spelling of 72190035 in words is "seventy-two million, one hundred ninety thousand, thirty-five".
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