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61354033 = 134719541
BaseRepresentation
bin1110101000001…
…1000000110001
311021110002220121
43222003000301
5111201312113
610031010241
71343333506
oct352030061
9137402817
1061354033
11316a6214
1218669981
13c932380
1482114ad
1555bde8d
hex3a83031

61354033 has 4 divisors (see below), whose sum is σ = 66073588. Its totient is φ = 56634480.

The previous prime is 61354009. The next prime is 61354039. The reversal of 61354033 is 33045316.

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 29408929 + 31945104 = 5423^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 61354033 - 25 = 61354001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61353989 and 61354007.

It is not an unprimeable number, because it can be changed into a prime (61354039) 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, 2359758 + ... + 2359783.

It is an arithmetic number, because the mean of its divisors is an integer number (16518397).

Almost surely, 261354033 is an apocalyptic number.

It is an amenable number.

61354033 is a deficient number, since it is larger than the sum of its proper divisors (4719555).

61354033 is a wasteful number, since it uses less digits than its factorization.

61354033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719554.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 61354033 is about 7832.8815259775. The cubic root of 61354033 is about 394.4098070549.

Adding to 61354033 its reverse (33045316), we get a palindrome (94399349).

The spelling of 61354033 in words is "sixty-one million, three hundred fifty-four thousand, thirty-three".

Divisors: 1 13 4719541 61354033