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30628334 = 2111392197
BaseRepresentation
bin111010011010…
…1100111101110
32010122002011202
41310311213232
530320101314
63012245502
7521223302
oct164654756
963562152
1030628334
111631a580
12a310892
136464c99
1440d3d02
152a500de
hex1d359ee

30628334 has 8 divisors (see below), whose sum is σ = 50119128. Its totient is φ = 13921960.

The previous prime is 30628331. The next prime is 30628337. The reversal of 30628334 is 43382603.

It is an interprime number because it is at equal distance from previous prime (30628331) and next prime (30628337).

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

It is a junction number, because it is equal to n+sod(n) for n = 30628297 and 30628306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30628331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696077 + ... + 696120.

It is an arithmetic number, because the mean of its divisors is an integer number (6264891).

Almost surely, 230628334 is an apocalyptic number.

30628334 is a deficient number, since it is larger than the sum of its proper divisors (19490794).

30628334 is a wasteful number, since it uses less digits than its factorization.

30628334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392210.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 30628334 is about 5534.2871266316. The cubic root of 30628334 is about 312.8775902981.

The spelling of 30628334 in words is "thirty million, six hundred twenty-eight thousand, three hundred thirty-four".

Divisors: 1 2 11 22 1392197 2784394 15314167 30628334