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273390972 = 22323990547
BaseRepresentation
bin10000010010111…
…001110101111100
3201001102200220120
4100102321311330
51024442002342
643043414540
76526533141
oct2022716574
9631380816
10273390972
1113035a758
1277684450
134484240a
14284483c8
1519004aec
hex104b9d7c

273390972 has 24 divisors (see below), whose sum is σ = 665648256. Its totient is φ = 87168048.

The previous prime is 273390937. The next prime is 273390983. The reversal of 273390972 is 279093372.

It is a super-2 number, since 2×2733909722 = 149485247142209568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494998 + ... + 495549.

It is an arithmetic number, because the mean of its divisors is an integer number (27735344).

Almost surely, 2273390972 is an apocalyptic number.

It is an amenable number.

273390972 is an abundant number, since it is smaller than the sum of its proper divisors (392257284).

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

273390972 is a wasteful number, since it uses less digits than its factorization.

273390972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990577 (or 990575 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 273390972 is about 16534.5387598203. The cubic root of 273390972 is about 649.0249459588.

The spelling of 273390972 in words is "two hundred seventy-three million, three hundred ninety thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 990547 1981094 2971641 3962188 5943282 11886564 22782581 45565162 68347743 91130324 136695486 273390972