Search a number
-
+
72706950 = 2335253857
BaseRepresentation
bin1000101010101…
…10101110000110
312001210220012000
410111112232012
5122103110300
611114210130
71541666421
oct425265606
9161726160
1072706950
113804a898
1220423946
13120a8984
1499289b8
1565b2c00
hex4556b86

72706950 has 48 divisors (see below), whose sum is σ = 200351760. Its totient is φ = 19388160.

The previous prime is 72706927. The next prime is 72706967. The reversal of 72706950 is 5960727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25579 + ... + 28278.

It is an arithmetic number, because the mean of its divisors is an integer number (4173995).

Almost surely, 272706950 is an apocalyptic number.

72706950 is an abundant number, since it is smaller than the sum of its proper divisors (127644810).

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

72706950 is a wasteful number, since it uses less digits than its factorization.

72706950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53878 (or 53867 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 72706950 is about 8526.8370454700. The cubic root of 72706950 is about 417.3739205990.

The spelling of 72706950 in words is "seventy-two million, seven hundred six thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 53857 107714 161571 269285 323142 484713 538570 807855 969426 1346425 1454139 1615710 2423565 2692850 2908278 4039275 4847130 7270695 8078550 12117825 14541390 24235650 36353475 72706950