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61606023 = 3137149893
BaseRepresentation
bin1110101100000…
…0100010000111
311021220220120120
43223000202013
5111232343043
610040233023
71345433253
oct353004207
9137826516
1061606023
1131858576
121876b773
13c9bcc8b
148279263
15561d983
hex3ac0887

61606023 has 8 divisors (see below), whose sum is σ = 82741488. Its totient is φ = 40770624.

The previous prime is 61606019. The next prime is 61606043. The reversal of 61606023 is 32060616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61606023 - 22 = 61606019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61605984 and 61606002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61606043) 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 7 ways as a sum of consecutive naturals, for example, 74536 + ... + 75357.

It is an arithmetic number, because the mean of its divisors is an integer number (10342686).

Almost surely, 261606023 is an apocalyptic number.

61606023 is a deficient number, since it is larger than the sum of its proper divisors (21135465).

61606023 is a wasteful number, since it uses less digits than its factorization.

61606023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150033.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 61606023 is about 7848.9504393900. The cubic root of 61606023 is about 394.9490357790.

Adding to 61606023 its reverse (32060616), we get a palindrome (93666639).

The spelling of 61606023 in words is "sixty-one million, six hundred six thousand, twenty-three".

Divisors: 1 3 137 411 149893 449679 20535341 61606023