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1530660352 = 2913534339
BaseRepresentation
bin101101100111100…
…0000011000000000
310221200012121021011
41123033000120000
511113322112402
6411515210304
752634253424
oct13317003000
93850177234
101530660352
11716021861
12368746994
131b51689b0
14107404b84
158e5a3ed7
hex5b3c0600

1530660352 has 80 divisors (see below), whose sum is σ = 3356503920. Its totient is φ = 692969472.

The previous prime is 1530660337. The next prime is 1530660409. The reversal of 1530660352 is 2530660351.

It is a super-2 number, since 2×15306603522 = 4685842226369527808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350599 + ... + 354937.

It is an arithmetic number, because the mean of its divisors is an integer number (41956299).

Almost surely, 21530660352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530660352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678251960).

1530660352 is an abundant number, since it is smaller than the sum of its proper divisors (1825843568).

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

1530660352 is an equidigital number, since it uses as much as digits as its factorization.

1530660352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1530660352 is about 39123.6546350159. The cubic root of 1530660352 is about 1152.4611065623.

Subtracting 1530660352 from its reverse (2530660351), we obtain a palindrome (999999999).

The spelling of 1530660352 in words is "one billion, five hundred thirty million, six hundred sixty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 53 64 104 106 128 208 212 256 416 424 512 689 832 848 1378 1664 1696 2756 3328 3392 4339 5512 6656 6784 8678 11024 13568 17356 22048 27136 34712 44096 56407 69424 88192 112814 138848 176384 225628 229967 277696 352768 451256 459934 555392 902512 919868 1110784 1805024 1839736 2221568 2989571 3610048 3679472 5979142 7220096 7358944 11958284 14440192 14717888 23916568 28880384 29435776 47833136 58871552 95666272 117743104 191332544 382665088 765330176 1530660352