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30377106 = 234187513
BaseRepresentation
bin111001111100…
…0010010010010
32010011022120000
41303320102102
530234031411
63003030430
7516125664
oct163702222
963138500
1030377106
1116168851
12a20b416
1363a7826
14406a534
152a00956
hex1cf8492

30377106 has 20 divisors (see below), whose sum is σ = 68067582. Its totient is φ = 10125648.

The previous prime is 30377099. The next prime is 30377107. The reversal of 30377106 is 60177303.

It can be written as a sum of positive squares in only one way, i.e., 20169081 + 10208025 = 4491^2 + 3195^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30377106.

It is not an unprimeable number, because it can be changed into a prime (30377107) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93595 + ... + 93918.

Almost surely, 230377106 is an apocalyptic number.

30377106 is an abundant number, since it is smaller than the sum of its proper divisors (37690476).

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

30377106 is a wasteful number, since it uses less digits than its factorization.

30377106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187527 (or 187518 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 30377106 is about 5511.5429781505. The cubic root of 30377106 is about 312.0197842484.

The spelling of 30377106 in words is "thirty million, three hundred seventy-seven thousand, one hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 187513 375026 562539 1125078 1687617 3375234 5062851 10125702 15188553 30377106