Search a number
-
+
61151026 = 230575513
BaseRepresentation
bin1110100101000…
…1011100110010
311021001210102211
43221101130302
5111123313101
610022402334
71341526606
oct351213462
9137053384
1061151026
1131577742
12185903aa
13c890b51
14819b506
15557dc51
hex3a51732

61151026 has 4 divisors (see below), whose sum is σ = 91726542. Its totient is φ = 30575512.

The previous prime is 61151021. The next prime is 61151033. The reversal of 61151026 is 62015116.

61151026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 37638225 + 23512801 = 6135^2 + 4849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61150988 and 61151006.

It is not an unprimeable number, because it can be changed into a prime (61151021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287755 + ... + 15287758.

Almost surely, 261151026 is an apocalyptic number.

61151026 is a deficient number, since it is larger than the sum of its proper divisors (30575516).

61151026 is a wasteful number, since it uses less digits than its factorization.

61151026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30575515.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 61151026 is about 7819.9121478441. The cubic root of 61151026 is about 393.9743212928.

The spelling of 61151026 in words is "sixty-one million, one hundred fifty-one thousand, twenty-six".

Divisors: 1 2 30575513 61151026