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61457153 = 194768821
BaseRepresentation
bin1110101001110…
…0001100000001
311021122100100212
43222130030001
5111213112103
610033123505
71344243242
oct352341401
9137570325
1061457153
113176673a
12186b9595
13c96a2a4
14823acc9
1555de7d8
hex3a9c301

61457153 has 8 divisors (see below), whose sum is σ = 66069120. Its totient is φ = 56982960.

The previous prime is 61457147. The next prime is 61457161. The reversal of 61457153 is 35175416.

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

It is a cyclic number.

It is not a de Polignac number, because 61457153 - 26 = 61457089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61457353) 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 7 ways as a sum of consecutive naturals, for example, 33518 + ... + 35303.

It is an arithmetic number, because the mean of its divisors is an integer number (8258640).

Almost surely, 261457153 is an apocalyptic number.

It is an amenable number.

61457153 is a deficient number, since it is larger than the sum of its proper divisors (4611967).

61457153 is a wasteful number, since it uses less digits than its factorization.

61457153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68887.

The product of its digits is 12600, while the sum is 32.

The square root of 61457153 is about 7839.4612697557. The cubic root of 61457153 is about 394.6306497744.

The spelling of 61457153 in words is "sixty-one million, four hundred fifty-seven thousand, one hundred fifty-three".

Divisors: 1 19 47 893 68821 1307599 3234587 61457153