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1445358530 = 25711171091013
BaseRepresentation
bin101011000100110…
…0110101111000010
310201201200211011102
41112021212233002
510430002433110
6355231014402
750550226160
oct12611465702
93651624142
101445358530
1168195a290
1234406a402
131a05a0345
14d9d5c230
1586d545a5
hex56266bc2

1445358530 has 128 divisors (see below), whose sum is σ = 3469340160. Its totient is φ = 419696640.

The previous prime is 1445358529. The next prime is 1445358553. The reversal of 1445358530 is 358535441.

It is a happy number.

1445358530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14453585302 = 4178122560487521800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1426304 + ... + 1427316.

It is an arithmetic number, because the mean of its divisors is an integer number (27104220).

Almost surely, 21445358530 is an apocalyptic number.

1445358530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445358530 is an abundant number, since it is smaller than the sum of its proper divisors (2023981630).

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

1445358530 is a wasteful number, since it uses less digits than its factorization.

1445358530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 1445358530 is about 38017.8711923748. The cubic root of 1445358530 is about 1130.6422146252.

Subtracting from 1445358530 its reverse (358535441), we obtain a square (1086823089 = 329672).

The spelling of 1445358530 in words is "one billion, four hundred forty-five million, three hundred fifty-eight thousand, five hundred thirty".

Divisors: 1 2 5 7 10 11 14 17 22 34 35 55 70 77 85 109 110 119 154 170 187 218 238 374 385 545 595 763 770 935 1013 1090 1190 1199 1309 1526 1853 1870 2026 2398 2618 3706 3815 5065 5995 6545 7091 7630 8393 9265 10130 11143 11990 12971 13090 14182 16786 17221 18530 20383 22286 25942 34442 35455 40766 41965 55715 64855 70910 78001 83930 86105 101915 110417 111430 120547 129710 142681 156002 172210 189431 203830 220834 241094 285362 378862 390005 552085 602735 713405 772919 780010 947155 1104170 1205470 1214587 1326017 1426810 1545838 1877089 1894310 2429174 2652034 3754178 3864595 6072935 6630085 7729190 8502109 9385445 12145870 13139623 13260170 17004218 18770890 20647979 26279246 41295958 42510545 65698115 85021090 103239895 131396230 144535853 206479790 289071706 722679265 1445358530