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10072418 = 25036209
BaseRepresentation
bin100110011011…
…000101100010
3200221201202112
4212123011202
510034304133
6555515322
7151420436
oct46330542
920851675
1010072418
11575a614
123458b42
132118815
1414a29c6
15d3e648
hex99b162

10072418 has 4 divisors (see below), whose sum is σ = 15108630. Its totient is φ = 5036208.

The previous prime is 10072409. The next prime is 10072423. The reversal of 10072418 is 81427001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 4489 = 3173^2 + 67^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10072393 and 10072402.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2518103 + ... + 2518106.

Almost surely, 210072418 is an apocalyptic number.

10072418 is a deficient number, since it is larger than the sum of its proper divisors (5036212).

10072418 is an equidigital number, since it uses as much as digits as its factorization.

10072418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036211.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10072418 is about 3173.7072958923. The cubic root of 10072418 is about 215.9622847959.

Adding to 10072418 its reverse (81427001), we get a palindrome (91499419).

The spelling of 10072418 in words is "ten million, seventy-two thousand, four hundred eighteen".

Divisors: 1 2 5036209 10072418