Search a number
-
+
220274450 = 252112231583
BaseRepresentation
bin11010010000100…
…01111100010010
3120100111002201222
431020101330102
5422342240300
633505125042
75313205364
oct1510217422
9510432658
10220274450
11103380500
1261929782
1336835616
142137cd34
1514511785
hexd211f12

220274450 has 72 divisors (see below), whose sum is σ = 470219904. Its totient is φ = 76568800.

The previous prime is 220274441. The next prime is 220274479. The reversal of 220274450 is 54472022.

220274450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 138359 + ... + 139941.

It is an arithmetic number, because the mean of its divisors is an integer number (6530832).

Almost surely, 2220274450 is an apocalyptic number.

220274450 is an abundant number, since it is smaller than the sum of its proper divisors (249945454).

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

220274450 is a wasteful number, since it uses less digits than its factorization.

220274450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 220274450 is about 14841.6457982260. The cubic root of 220274450 is about 603.9320000783.

The spelling of 220274450 in words is "two hundred twenty million, two hundred seventy-four thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 23 25 46 50 55 110 115 121 230 242 253 275 506 550 575 605 1150 1210 1265 1583 2530 2783 3025 3166 5566 6050 6325 7915 12650 13915 15830 17413 27830 34826 36409 39575 69575 72818 79150 87065 139150 174130 182045 191543 364090 383086 400499 435325 800998 870650 910225 957715 1820450 1915430 2002495 4004990 4405489 4788575 8810978 9577150 10012475 20024950 22027445 44054890 110137225 220274450