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61010506 = 2197154849
BaseRepresentation
bin1110100010111…
…1001001001010
311020210122200101
43220233021022
5111104314011
610015400014
71340403124
oct350571112
9136718611
1061010506
1131491107
121852300a
13c841bbb
148162214
1555522c1
hex3a2f24a

61010506 has 8 divisors (see below), whose sum is σ = 91980900. Its totient is φ = 30350208.

The previous prime is 61010503. The next prime is 61010527. The reversal of 61010506 is 60501016.

61010506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37884025 + 23126481 = 6155^2 + 4809^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61010503) 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 in 3 ways as a sum of consecutive naturals, for example, 77031 + ... + 77818.

Almost surely, 261010506 is an apocalyptic number.

61010506 is a deficient number, since it is larger than the sum of its proper divisors (30970394).

61010506 is a wasteful number, since it uses less digits than its factorization.

61010506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155048.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 61010506 is about 7810.9222246800. The cubic root of 61010506 is about 393.6723163787.

It can be divided in two parts, 61010 and 506, that added together give a palindrome (61516).

The spelling of 61010506 in words is "sixty-one million, ten thousand, five hundred six".

Divisors: 1 2 197 394 154849 309698 30505253 61010506