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30277026 = 23213237269
BaseRepresentation
bin111001101111…
…1110110100010
32002222020021100
41303133312202
530222331101
63000535230
7515231133
oct163376642
962866240
1030277026
11160aa63a
12a181516
136371100
144041c8a
1529d0e86
hex1cdfda2

30277026 has 72 divisors (see below), whose sum is σ = 73225620. Its totient is φ = 9030528.

The previous prime is 30277021. The next prime is 30277061. The reversal of 30277026 is 62077203.

It can be written as a sum of positive squares in 6 ways, for example, as 3744225 + 26532801 = 1935^2 + 5151^2 .

It is not an unprimeable number, because it can be changed into a prime (30277021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112420 + ... + 112688.

Almost surely, 230277026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30277026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36612810).

30277026 is an abundant number, since it is smaller than the sum of its proper divisors (42948594).

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

30277026 is a wasteful number, since it uses less digits than its factorization.

30277026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30277026 is about 5502.4563605721. The cubic root of 30277026 is about 311.6767485403.

The spelling of 30277026 in words is "thirty million, two hundred seventy-seven thousand, twenty-six".

Divisors: 1 2 3 6 9 13 18 26 37 39 74 78 111 117 169 222 234 269 333 338 481 507 538 666 807 962 1014 1443 1521 1614 2421 2886 3042 3497 4329 4842 6253 6994 8658 9953 10491 12506 18759 19906 20982 29859 31473 37518 45461 56277 59718 62946 89577 90922 112554 129389 136383 179154 258778 272766 388167 409149 776334 818298 1164501 1682057 2329002 3364114 5046171 10092342 15138513 30277026