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7225227030 = 235779491887
BaseRepresentation
bin1101011101010100…
…00011011100010110
3200122112112120012010
412232222003130112
5104244124231110
63152541405050
7344022262560
oct65652033426
920575476163
107225227030
1130784a800a
121497869786
138b1b83888
144c7828330
152c44a8020
hex1aea83716

7225227030 has 128 divisors (see below), whose sum is σ = 20132167680. Its totient is φ = 1625420160.

The previous prime is 7225227019. The next prime is 7225227043. The reversal of 7225227030 is 307225227.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8145247 + ... + 8146133.

It is an arithmetic number, because the mean of its divisors is an integer number (157282560).

Almost surely, 27225227030 is an apocalyptic number.

7225227030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7225227030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10066083840).

7225227030 is an abundant number, since it is smaller than the sum of its proper divisors (12906940650).

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

7225227030 is a wasteful number, since it uses less digits than its factorization.

7225227030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 7225227030 is about 85001.3354600973. The cubic root of 7225227030 is about 1933.2313653778.

The spelling of 7225227030 in words is "seven billion, two hundred twenty-five million, two hundred twenty-seven thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 79 105 158 210 237 395 474 491 553 790 887 982 1106 1185 1473 1659 1774 2370 2455 2661 2765 2946 3318 3437 4435 4910 5322 5530 6209 6874 7365 8295 8870 10311 12418 13305 14730 16590 17185 18627 20622 26610 31045 34370 37254 38789 51555 62090 70073 77578 93135 103110 116367 140146 186270 193945 210219 232734 271523 350365 387890 420438 435517 490511 543046 581835 700730 814569 871034 981022 1051095 1163670 1306551 1357615 1471533 1629138 2102190 2177585 2452555 2613102 2715230 2943066 3048619 4072845 4355170 4905110 6097238 6532755 7357665 8145690 9145857 13065510 14715330 15243095 18291714 30486190 34405843 45729285 68811686 91458570 103217529 172029215 206435058 240840901 344058430 481681802 516087645 722522703 1032175290 1204204505 1445045406 2408409010 3612613515 7225227030