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274335940 = 22529472993
BaseRepresentation
bin10000010110100…
…000100011000100
3201010012201011101
4100112200203010
51030212222230
643115545444
76540550144
oct2026404304
9633181141
10274335940
1113094571a
1277a5b284
1344ab3578
1428612924
151913eaca
hex105a08c4

274335940 has 24 divisors (see below), whose sum is σ = 595972440. Its totient is φ = 105950208.

The previous prime is 274335931. The next prime is 274335947. The reversal of 274335940 is 49533472.

It can be written as a sum of positive squares in 4 ways, for example, as 108493056 + 165842884 = 10416^2 + 12878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 274335940.

It is not an unprimeable number, because it can be changed into a prime (274335947) 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, 235917 + ... + 237076.

It is an arithmetic number, because the mean of its divisors is an integer number (24832185).

Almost surely, 2274335940 is an apocalyptic number.

274335940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274335940 is an abundant number, since it is smaller than the sum of its proper divisors (321636500).

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

274335940 is a wasteful number, since it uses less digits than its factorization.

274335940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473031 (or 473029 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 274335940 is about 16563.0896876157. The cubic root of 274335940 is about 649.7718647122.

It can be divided in two parts, 2743 and 35940, that added together give a palindrome (38683).

The spelling of 274335940 in words is "two hundred seventy-four million, three hundred thirty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 472993 945986 1891972 2364965 4729930 9459860 13716797 27433594 54867188 68583985 137167970 274335940