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61028242 = 2112774011
BaseRepresentation
bin1110100011001…
…1011110010010
311020211120000021
43220303132102
5111110400432
610020014054
71340505622
oct350633622
9136746007
1061028242
11314a3470
121853132a
13c849cb2
148168882
155557697
hex3a33792

61028242 has 8 divisors (see below), whose sum is σ = 99864432. Its totient is φ = 27740100.

The previous prime is 61028239. The next prime is 61028251. The reversal of 61028242 is 24282016.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×610282422 = 7448892643221128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386984 + ... + 1387027.

It is an arithmetic number, because the mean of its divisors is an integer number (12483054).

Almost surely, 261028242 is an apocalyptic number.

61028242 is a deficient number, since it is larger than the sum of its proper divisors (38836190).

61028242 is a wasteful number, since it uses less digits than its factorization.

61028242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774024.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 61028242 is about 7812.0574754670. The cubic root of 61028242 is about 393.7104600591.

The spelling of 61028242 in words is "sixty-one million, twenty-eight thousand, two hundred forty-two".

Divisors: 1 2 11 22 2774011 5548022 30514121 61028242