Search a number
-
+
272550140 = 22531371092
BaseRepresentation
bin10000001111101…
…100100011111100
3200222211222111122
4100033230203330
51024233101030
643013410112
76516431552
oct2017544374
9628758448
10272550140
1112a935a55
1277339938
1344609795
14282a9bd2
1518dda8e5
hex103ec8fc

272550140 has 72 divisors (see below), whose sum is σ = 612404352. Its totient is φ = 101710080.

The previous prime is 272550101. The next prime is 272550143. The reversal of 272550140 is 41055272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272550143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2500406 + ... + 2500514.

It is an arithmetic number, because the mean of its divisors is an integer number (8505616).

Almost surely, 2272550140 is an apocalyptic number.

272550140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272550140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306202176).

272550140 is an abundant number, since it is smaller than the sum of its proper divisors (339854212).

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

272550140 is a wasteful number, since it uses less digits than its factorization.

272550140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 272550140 is about 16509.0926461753. The cubic root of 272550140 is about 648.3588896217.

The spelling of 272550140 in words is "two hundred seventy-two million, five hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 37 62 74 109 124 148 155 185 218 310 370 436 545 620 740 1090 1147 2180 2294 3379 4033 4588 5735 6758 8066 11470 11881 13516 16132 16895 20165 22940 23762 33790 40330 47524 59405 67580 80660 118810 125023 237620 250046 368311 439597 500092 625115 736622 879194 1250230 1473244 1758388 1841555 2197985 2500460 3683110 4395970 7366220 8791940 13627507 27255014 54510028 68137535 136275070 272550140