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1530913219 = 112943233479
BaseRepresentation
bin101101100111111…
…1110000111000011
310221200200110010121
41123033332013003
511113403210334
6411524441111
752636355563
oct13317760703
93850613117
101530913219
11716184840
12368849197
131b5226b14
1410746cda3
158e603db4
hex5b3fe1c3

1530913219 has 32 divisors (see below), whose sum is σ = 1779148800. Its totient is φ = 1304136960.

The previous prime is 1530913211. The next prime is 1530913229. The reversal of 1530913219 is 9123190351.

It is not a de Polignac number, because 1530913219 - 23 = 1530913211 is a prime.

It is a super-2 number, since 2×15309132192 = 4687390568217883922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1530913211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3195822 + ... + 3196300.

It is an arithmetic number, because the mean of its divisors is an integer number (55598400).

Almost surely, 21530913219 is an apocalyptic number.

1530913219 is a deficient number, since it is larger than the sum of its proper divisors (248235581).

1530913219 is a wasteful number, since it uses less digits than its factorization.

1530913219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1530913219 is about 39126.8861398400. The cubic root of 1530913219 is about 1152.5245657388.

The spelling of 1530913219 in words is "one billion, five hundred thirty million, nine hundred thirteen thousand, two hundred nineteen".

Divisors: 1 11 29 43 233 319 473 479 1247 2563 5269 6757 10019 13717 13891 20597 74327 110209 111607 152801 226567 290551 597313 1227677 3196061 3236603 4799101 6570443 35602633 52790111 139173929 1530913219