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274979040 = 2535781839
BaseRepresentation
bin10000011000111…
…101100011100000
3201011102101022220
4100120331203200
51030343312130
643141431040
76546166110
oct2030754340
9634371286
10274979040
11131244906
127810b480
1344c7a1bb
142873d040
151921a410
hex1063d8e0

274979040 has 96 divisors (see below), whose sum is σ = 989936640. Its totient is φ = 62851584.

The previous prime is 274979011. The next prime is 274979057. The reversal of 274979040 is 40979472.

274979040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×2749790403 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 274978983 and 274979001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37560 + ... + 44279.

It is an arithmetic number, because the mean of its divisors is an integer number (10311840).

Almost surely, 2274979040 is an apocalyptic number.

274979040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274979040 is an abundant number, since it is smaller than the sum of its proper divisors (714957600).

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

274979040 is a wasteful number, since it uses less digits than its factorization.

274979040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81864 (or 81856 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 274979040 is about 16582.4919719564. The cubic root of 274979040 is about 650.2792015534.

The spelling of 274979040 in words is "two hundred seventy-four million, nine hundred seventy-nine thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 81839 163678 245517 327356 409195 491034 572873 654712 818390 982068 1145746 1227585 1309424 1636780 1718619 1964136 2291492 2455170 2618848 2864365 3273560 3437238 3928272 4582984 4910340 5728730 6547120 6874476 7856544 8593095 9165968 9820680 11457460 13094240 13748952 17186190 18331936 19641360 22914920 27497904 34372380 39282720 45829840 54995808 68744760 91659680 137489520 274979040