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30366272 = 26617769
BaseRepresentation
bin111001111010…
…1101001000000
32010010202200202
41303311221000
530233210042
63002504332
7516052256
oct163655100
963122622
1030366272
11161606a2
12a2050a8
1363a2911
1440665d6
1529ec632
hex1cf5a40

30366272 has 28 divisors (see below), whose sum is σ = 60434220. Its totient is φ = 15138816.

The previous prime is 30366269. The next prime is 30366289. The reversal of 30366272 is 27266303.

It can be written as a sum of positive squares in 2 ways, for example, as 5125696 + 25240576 = 2264^2 + 5024^2 .

It is a super-2 number, since 2×303662722 = 1844220950355968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39104 + ... + 39872.

It is an arithmetic number, because the mean of its divisors is an integer number (2158365).

Almost surely, 230366272 is an apocalyptic number.

30366272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30366272 is a deficient number, since it is larger than the sum of its proper divisors (30067948).

30366272 is an equidigital number, since it uses as much as digits as its factorization.

30366272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 30366272 is about 5510.5600441334. The cubic root of 30366272 is about 311.9826858680.

The spelling of 30366272 in words is "thirty million, three hundred sixty-six thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 617 769 1234 1538 2468 3076 4936 6152 9872 12304 19744 24608 39488 49216 474473 948946 1897892 3795784 7591568 15183136 30366272