Base | Representation |
---|---|
bin | 1000111000100… |
… | …01101001111110 |
3 | 12012020001212222 |
4 | 10130101221332 |
5 | 123034134324 |
6 | 11221125342 |
7 | 1563264005 |
oct | 434215176 |
9 | 165201788 |
10 | 74521214 |
11 | 39079989 |
12 | 20b59852 |
13 | 125926c1 |
14 | 9c7bc3c |
15 | 682055e |
hex | 4711a7e |
74521214 has 4 divisors (see below), whose sum is σ = 111781824. Its totient is φ = 37260606.
The previous prime is 74521201. The next prime is 74521243. The reversal of 74521214 is 41212547.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41212547 = 31 ⋅1329437.
It is a super-2 number, since 2×745212142 = 11106822672067592, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18630302 + ... + 18630305.
It is an arithmetic number, because the mean of its divisors is an integer number (27945456).
Almost surely, 274521214 is an apocalyptic number.
74521214 is a deficient number, since it is larger than the sum of its proper divisors (37260610).
74521214 is a wasteful number, since it uses less digits than its factorization.
74521214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37260609.
The product of its digits is 2240, while the sum is 26.
The square root of 74521214 is about 8632.5670573706. The cubic root of 74521214 is about 420.8170301519.
The spelling of 74521214 in words is "seventy-four million, five hundred twenty-one thousand, two hundred fourteen".
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