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61410330 = 2325682337
BaseRepresentation
bin1110101001000…
…0110000011010
311021112222010200
43222100300122
5111210112310
610032123030
71343656602
oct352206032
9137488120
1061410330
1131734543
1218696476
13c951b97
148227c02
1555d09c0
hex3a90c1a

61410330 has 24 divisors (see below), whose sum is σ = 159667092. Its totient is φ = 16376064.

The previous prime is 61410319. The next prime is 61410331. The reversal of 61410330 is 3301416.

It can be written as a sum of positive squares in 2 ways, for example, as 60699681 + 710649 = 7791^2 + 843^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (61410331) 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 11 ways as a sum of consecutive naturals, for example, 341079 + ... + 341258.

Almost surely, 261410330 is an apocalyptic number.

61410330 is an abundant number, since it is smaller than the sum of its proper divisors (98256762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61410330 is a wasteful number, since it uses less digits than its factorization.

61410330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682350 (or 682347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61410330 is about 7836.4743348013. The cubic root of 61410330 is about 394.5304038599.

Adding to 61410330 its reverse (3301416), we get a palindrome (64711746).

The spelling of 61410330 in words is "sixty-one million, four hundred ten thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 682337 1364674 2047011 3411685 4094022 6141033 6823370 10235055 12282066 20470110 30705165 61410330