Search a number
-
+
61055233 = 257353673
BaseRepresentation
bin1110100011101…
…0000100000001
311020212221000221
43220322010001
5111112231413
610020343041
71340650411
oct350720401
9136787027
1061055233
1131511778
1218544a81
13c859375
148174641
15556068d
hex3a3a101

61055233 has 8 divisors (see below), whose sum is σ = 61557768. Its totient is φ = 60555264.

The previous prime is 61055219. The next prime is 61055249. The reversal of 61055233 is 33255016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18766224 + 42289009 = 4332^2 + 6503^2 .

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 61055233 - 25 = 61055201 is a prime.

It is a deceptive number, since it divides R61055232.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61055198 and 61055207.

It is not an unprimeable number, because it can be changed into a prime (61065233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90385 + ... + 91057.

It is an arithmetic number, because the mean of its divisors is an integer number (7694721).

Almost surely, 261055233 is an apocalyptic number.

It is an amenable number.

61055233 is a deficient number, since it is larger than the sum of its proper divisors (502535).

61055233 is a wasteful number, since it uses less digits than its factorization.

61055233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 61055233 is about 7813.7848063534. The cubic root of 61055233 is about 393.7684936976.

The spelling of 61055233 in words is "sixty-one million, fifty-five thousand, two hundred thirty-three".

Divisors: 1 257 353 673 90721 172961 237569 61055233