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1530251070 = 235192684651
BaseRepresentation
bin101101100110101…
…1100011100111110
310221122102210211120
41123031130130332
511113221013240
6411502331410
752630630245
oct13315343476
93848383746
101530251070
11715872307
12368589b66
131b505460a
1410733995c
158e522ad0
hex5b35c73e

1530251070 has 32 divisors (see below), whose sum is σ = 3865898880. Its totient is φ = 386589600.

The previous prime is 1530251027. The next prime is 1530251071. The reversal of 1530251070 is 701520351.

It is a super-2 number, since 2×15302510702 = 4683336674472289800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1530251070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530251071) 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 15 ways as a sum of consecutive naturals, for example, 1341756 + ... + 1342895.

It is an arithmetic number, because the mean of its divisors is an integer number (120809340).

Almost surely, 21530251070 is an apocalyptic number.

1530251070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530251070 is an abundant number, since it is smaller than the sum of its proper divisors (2335647810).

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

1530251070 is a wasteful number, since it uses less digits than its factorization.

1530251070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684680.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 1530251070 is about 39118.4236645599. The cubic root of 1530251070 is about 1152.3583788664.

The spelling of 1530251070 in words is "one billion, five hundred thirty million, two hundred fifty-one thousand, seventy".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 2684651 5369302 8053953 13423255 16107906 26846510 40269765 51008369 80539530 102016738 153025107 255041845 306050214 510083690 765125535 1530251070