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61069313 = 487125399
BaseRepresentation
bin1110100011110…
…1100000000001
311020220122100102
43220331200001
5111113204223
610020532145
71341036434
oct350754001
9136818312
1061069313
1131521308
1218551055
13c8628b6
14817981b
155564928
hex3a3d801

61069313 has 4 divisors (see below), whose sum is σ = 61195200. Its totient is φ = 60943428.

The previous prime is 61069279. The next prime is 61069369. The reversal of 61069313 is 31396016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61069313 - 222 = 56875009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61069373) 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 3 ways as a sum of consecutive naturals, for example, 62213 + ... + 63186.

It is an arithmetic number, because the mean of its divisors is an integer number (15298800).

Almost surely, 261069313 is an apocalyptic number.

It is an amenable number.

61069313 is a deficient number, since it is larger than the sum of its proper divisors (125887).

61069313 is a wasteful number, since it uses less digits than its factorization.

61069313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125886.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 61069313 is about 7814.6857262464. The cubic root of 61069313 is about 393.7987604685.

The spelling of 61069313 in words is "sixty-one million, sixty-nine thousand, three hundred thirteen".

Divisors: 1 487 125399 61069313