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1475138930 = 25532783281
BaseRepresentation
bin101011111101100…
…1101010101110010
310210210201211012012
41113323031111302
511010113421210
6402213202522
751361321406
oct12773152562
93723654165
101475138930
1169774a791
12352030442
131a67c9395
14ddcb1106
1589788305
hex57ecd572

1475138930 has 16 divisors (see below), whose sum is σ = 2705350104. Its totient is φ = 578922240.

The previous prime is 1475138923. The next prime is 1475138947. The reversal of 1475138930 is 398315741.

It can be written as a sum of positive squares in 4 ways, for example, as 827080081 + 648058849 = 28759^2 + 25457^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1391111 + ... + 1392170.

Almost surely, 21475138930 is an apocalyptic number.

1475138930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1475138930 is a deficient number, since it is larger than the sum of its proper divisors (1230211174).

1475138930 is a wasteful number, since it uses less digits than its factorization.

1475138930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783341.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1475138930 is about 38407.5374112947. The cubic root of 1475138930 is about 1138.3547957189.

The spelling of 1475138930 in words is "one billion, four hundred seventy-five million, one hundred thirty-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 2783281 5566562 13916405 27832810 147513893 295027786 737569465 1475138930