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61049080 = 2351526227
BaseRepresentation
bin1110100011100…
…0100011111000
311020212121121001
43220320203320
5111112032310
610020254344
71340623441
oct350704370
9136777531
1061049080
1131508094
12185413b4
13c856621
1481722c8
15555d93a
hex3a388f8

61049080 has 16 divisors (see below), whose sum is σ = 137360520. Its totient is φ = 24419616.

The previous prime is 61049069. The next prime is 61049081. The reversal of 61049080 is 8094016.

61049080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61049081) 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 3 ways as a sum of consecutive naturals, for example, 763074 + ... + 763153.

Almost surely, 261049080 is an apocalyptic number.

It is an amenable number.

61049080 is an abundant number, since it is smaller than the sum of its proper divisors (76311440).

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

61049080 is a wasteful number, since it uses less digits than its factorization.

61049080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526238 (or 1526234 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 61049080 is about 7813.3910691837. The cubic root of 61049080 is about 393.7552655716.

The spelling of 61049080 in words is "sixty-one million, forty-nine thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 1526227 3052454 6104908 7631135 12209816 15262270 30524540 61049080