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61028268 = 2237726527
BaseRepresentation
bin1110100011001…
…1011110101100
311020211120001020
43220303132230
5111110401033
610020014140
71340505660
oct350633654
9136746036
1061028268
11314a3494
1218531350
13c84a002
1481688a0
1555576b3
hex3a337ac

61028268 has 24 divisors (see below), whose sum is σ = 162742272. Its totient is φ = 17436624.

The previous prime is 61028251. The next prime is 61028273. The reversal of 61028268 is 86282016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363180 + ... + 363347.

It is an arithmetic number, because the mean of its divisors is an integer number (6780928).

Almost surely, 261028268 is an apocalyptic number.

It is an amenable number.

61028268 is an abundant number, since it is smaller than the sum of its proper divisors (101714004).

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

61028268 is a wasteful number, since it uses less digits than its factorization.

61028268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726541 (or 726539 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 61028268 is about 7812.0591395611. The cubic root of 61028268 is about 393.7105159702.

The spelling of 61028268 in words is "sixty-one million, twenty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 726527 1453054 2179581 2906108 4359162 5085689 8718324 10171378 15257067 20342756 30514134 61028268