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1530945122 = 272127123007
BaseRepresentation
bin101101101000000…
…0101111001100010
310221200202001220012
41123100011321202
511113410220442
6411525244522
752636550600
oct13320057142
93850661805
101530945122
117161a6803
12368863742
131b52384b5
1410747a870
158e60d582
hex5b405e62

1530945122 has 24 divisors (see below), whose sum is σ = 2692399104. Its totient is φ = 650947752.

The previous prime is 1530945103. The next prime is 1530945127. The reversal of 1530945122 is 2215490351.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1530945127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49058 + ... + 73949.

It is an arithmetic number, because the mean of its divisors is an integer number (112183296).

Almost surely, 21530945122 is an apocalyptic number.

1530945122 is a deficient number, since it is larger than the sum of its proper divisors (1161453982).

1530945122 is a wasteful number, since it uses less digits than its factorization.

1530945122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123150 (or 123143 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1530945122 is about 39127.2938241325. The cubic root of 1530945122 is about 1152.5325715782.

The spelling of 1530945122 in words is "one billion, five hundred thirty million, nine hundred forty-five thousand, one hundred twenty-two".

Divisors: 1 2 7 14 49 98 127 254 889 1778 6223 12446 123007 246014 861049 1722098 6027343 12054686 15621889 31243778 109353223 218706446 765472561 1530945122