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61088153 = 721246697
BaseRepresentation
bin1110100100001…
…0000110011001
311020221121012012
43221002012121
5111114310103
610021155305
71341145400
oct351020631
9136847165
1061088153
1131534485
121855bb35
13c86b349
148182637
15556a2d8
hex3a42199

61088153 has 6 divisors (see below), whose sum is σ = 71061786. Its totient is φ = 52361232.

The previous prime is 61088081. The next prime is 61088177. The reversal of 61088153 is 35188016.

It can be written as a sum of positive squares in only one way, i.e., 34904464 + 26183689 = 5908^2 + 5117^2 .

It is a de Polignac number, because none of the positive numbers 2k-61088153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61088353) 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 5 ways as a sum of consecutive naturals, for example, 623300 + ... + 623397.

It is an arithmetic number, because the mean of its divisors is an integer number (11843631).

Almost surely, 261088153 is an apocalyptic number.

It is an amenable number.

61088153 is a deficient number, since it is larger than the sum of its proper divisors (9973633).

61088153 is a wasteful number, since it uses less digits than its factorization.

61088153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246711 (or 1246704 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 61088153 is about 7815.8910560473. The cubic root of 61088153 is about 393.8392521955.

The spelling of 61088153 in words is "sixty-one million, eighty-eight thousand, one hundred fifty-three".

Divisors: 1 7 49 1246697 8726879 61088153