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61056554 = 213171071291
BaseRepresentation
bin1110100011101…
…0011000101010
311020212222211212
43220322120222
5111112302204
610020353122
71340654306
oct350723052
9136788755
1061056554
1131512769
12185457a2
13c859b50
148174d06
155560c6e
hex3a3a62a

61056554 has 32 divisors (see below), whose sum is σ = 105489216. Its totient is φ = 26254080.

The previous prime is 61056551. The next prime is 61056643. The reversal of 61056554 is 45565016.

61056554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61056554.

It is not an unprimeable number, because it can be changed into a prime (61056551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46649 + ... + 47939.

It is an arithmetic number, because the mean of its divisors is an integer number (3296538).

Almost surely, 261056554 is an apocalyptic number.

61056554 is a deficient number, since it is larger than the sum of its proper divisors (44432662).

61056554 is a wasteful number, since it uses less digits than its factorization.

61056554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 61056554 is about 7813.8693359948. The cubic root of 61056554 is about 393.7713335548.

The spelling of 61056554 in words is "sixty-one million, fifty-six thousand, five hundred fifty-four".

Divisors: 1 2 13 17 26 34 107 214 221 442 1291 1391 1819 2582 2782 3638 16783 21947 23647 33566 43894 47294 138137 276274 285311 570622 1795781 2348329 3591562 4696658 30528277 61056554