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272991002 = 2236838689
BaseRepresentation
bin10000010001011…
…000001100011010
3201000200101020212
4100101120030122
51024341203002
643031051122
76523246064
oct2021301432
9630611225
10272991002
111301071a9
1277510aa2
134473234b
1428382734
1518e76352
hex1045831a

272991002 has 16 divisors (see below), whose sum is σ = 427965120. Its totient is φ = 130354752.

The previous prime is 272991001. The next prime is 272991011. The reversal of 272991002 is 200199272.

It is a self number, because there is not a number n which added to its sum of digits gives 272991002.

It is not an unprimeable number, because it can be changed into a prime (272991001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27074 + ... + 35762.

It is an arithmetic number, because the mean of its divisors is an integer number (26747820).

Almost surely, 2272991002 is an apocalyptic number.

272991002 is a deficient number, since it is larger than the sum of its proper divisors (154974118).

272991002 is a wasteful number, since it uses less digits than its factorization.

272991002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 272991002 is about 16522.4393477477. The cubic root of 272991002 is about 648.7082844367.

The spelling of 272991002 in words is "two hundred seventy-two million, nine hundred ninety-one thousand, two".

Divisors: 1 2 23 46 683 1366 8689 15709 17378 31418 199847 399694 5934587 11869174 136495501 272991002