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30628104 = 23313891103
BaseRepresentation
bin111010011010…
…1100100001000
32010122001212020
41310311210020
530320044404
63012244440
7521222523
oct164654410
963561766
1030628104
111631a391
12a310720
136464b50
1440d3bba
152a4eed9
hex1d35908

30628104 has 64 divisors (see below), whose sum is σ = 83462400. Its totient is φ = 9309696.

The previous prime is 30628097. The next prime is 30628123. The reversal of 30628104 is 40182603.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27217 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 230628104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30628104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41731200).

30628104 is an abundant number, since it is smaller than the sum of its proper divisors (52834296).

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

30628104 is a wasteful number, since it uses less digits than its factorization.

30628104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30628104 is about 5534.2663470419. The cubic root of 30628104 is about 312.8768071232.

The spelling of 30628104 in words is "thirty million, six hundred twenty-eight thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 89 104 156 178 267 312 356 534 712 1068 1103 1157 2136 2206 2314 3309 3471 4412 4628 6618 6942 8824 9256 13236 13884 14339 26472 27768 28678 43017 57356 86034 98167 114712 172068 196334 294501 344136 392668 589002 785336 1178004 1276171 2356008 2552342 3828513 5104684 7657026 10209368 15314052 30628104