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61044629 = 194931321
BaseRepresentation
bin1110100011011…
…1011110010101
311020212101111012
43220313132111
5111111412004
610020222005
71340604452
oct350673625
9136771435
1061044629
1131504808
121853a905
13c8545a9
148170829
15555c46e
hex3a37795

61044629 has 4 divisors (see below), whose sum is σ = 61077900. Its totient is φ = 61011360.

The previous prime is 61044551. The next prime is 61044661. The reversal of 61044629 is 92644016.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41667025 + 19377604 = 6455^2 + 4402^2 .

It is a cyclic number.

It is not a de Polignac number, because 61044629 - 212 = 61040533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61044595 and 61044604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61049629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13712 + ... + 17609.

It is an arithmetic number, because the mean of its divisors is an integer number (15269475).

Almost surely, 261044629 is an apocalyptic number.

It is an amenable number.

61044629 is a deficient number, since it is larger than the sum of its proper divisors (33271).

61044629 is a wasteful number, since it uses less digits than its factorization.

61044629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33270.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 61044629 is about 7813.1062324789. The cubic root of 61044629 is about 393.7456959637.

The spelling of 61044629 in words is "sixty-one million, forty-four thousand, six hundred twenty-nine".

Divisors: 1 1949 31321 61044629