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61228453 = 11131034157
BaseRepresentation
bin1110100110010…
…0010110100101
311021012201122111
43221210112211
5111133302303
610024201021
71342301416
oct351442645
9137181574
1061228453
113161a930
1218609171
13c8ba170
1481bb80d
155596b6d
hex3a645a5

61228453 has 16 divisors (see below), whose sum is σ = 72648576. Its totient is φ = 50869440.

The previous prime is 61228429. The next prime is 61228459. The reversal of 61228453 is 35482216.

61228453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61228453 - 29 = 61227941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61228459) 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 15 ways as a sum of consecutive naturals, for example, 12651 + ... + 16807.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 261228453 is an apocalyptic number.

It is an amenable number.

61228453 is a deficient number, since it is larger than the sum of its proper divisors (11420123).

61228453 is a wasteful number, since it uses less digits than its factorization.

61228453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its digits is 11520, while the sum is 31.

The square root of 61228453 is about 7824.8612128267. The cubic root of 61228453 is about 394.1405293757.

The spelling of 61228453 in words is "sixty-one million, two hundred twenty-eight thousand, four hundred fifty-three".

Divisors: 1 11 13 103 143 1133 1339 4157 14729 45727 54041 428171 594451 4709881 5566223 61228453