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61322628 = 2237370003
BaseRepresentation
bin1110100111101…
…1010110000100
311021101111211110
43221323112010
5111144311003
610030205020
71343143113
oct351732604
9137344743
1061322628
1131684664
1218653770
13c920ca3
148203c7a
1555b4a03
hex3a7b584

61322628 has 24 divisors (see below), whose sum is σ = 145048288. Its totient is φ = 20160576.

The previous prime is 61322603. The next prime is 61322683. The reversal of 61322628 is 82622316.

It is a junction number, because it is equal to n+sod(n) for n = 61322595 and 61322604.

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, 34126 + ... + 35877.

Almost surely, 261322628 is an apocalyptic number.

It is an amenable number.

61322628 is an abundant number, since it is smaller than the sum of its proper divisors (83725660).

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

61322628 is a wasteful number, since it uses less digits than its factorization.

61322628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70083 (or 70081 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 61322628 is about 7830.8765792854. The cubic root of 61322628 is about 394.3425006727.

The spelling of 61322628 in words is "sixty-one million, three hundred twenty-two thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 70003 140006 210009 280012 420018 840036 5110219 10220438 15330657 20440876 30661314 61322628