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61761052 = 2231498073
BaseRepresentation
bin1110101110011…
…0011000011100
311022012210020101
43223212120130
5111302323202
610043430444
71346650243
oct353463034
9138183211
1061761052
1131953aa1
1218825424
13ca45702
1482b995a
15564e887
hex3ae661c

61761052 has 12 divisors (see below), whose sum is σ = 111568576. Its totient is φ = 29884320.

The previous prime is 61761041. The next prime is 61761053. The reversal of 61761052 is 25016716.

It is a self number, because there is not a number n which added to its sum of digits gives 61761052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61761053) 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, 248913 + ... + 249160.

Almost surely, 261761052 is an apocalyptic number.

61761052 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61761052 is a deficient number, since it is larger than the sum of its proper divisors (49807524).

61761052 is a wasteful number, since it uses less digits than its factorization.

61761052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498108 (or 498106 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 61761052 is about 7858.8200132081. The cubic root of 61761052 is about 395.2800492258.

Adding to 61761052 its reverse (25016716), we get a palindrome (86777768).

The spelling of 61761052 in words is "sixty-one million, seven hundred sixty-one thousand, fifty-two".

Divisors: 1 2 4 31 62 124 498073 996146 1992292 15440263 30880526 61761052