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1075475920 = 24541327889
BaseRepresentation
bin100000000011010…
…0111010111010000
32202221200211121111
41000012213113100
54200310212140
6254415103104
735436252211
oct10006472720
92687624544
101075475920
11502094a82
12260211a94
13141a752ac
14a2b97408
156463e7ea
hex401a75d0

1075475920 has 40 divisors (see below), whose sum is σ = 2561476680. Its totient is φ = 419696640.

The previous prime is 1075475909. The next prime is 1075475941. The reversal of 1075475920 is 295745701.

It can be written as a sum of positive squares in 4 ways, for example, as 89264704 + 986211216 = 9448^2 + 31404^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160665 + ... + 167224.

It is an arithmetic number, because the mean of its divisors is an integer number (64036917).

Almost surely, 21075475920 is an apocalyptic number.

1075475920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075475920 is an abundant number, since it is smaller than the sum of its proper divisors (1486000760).

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

1075475920 is a wasteful number, since it uses less digits than its factorization.

1075475920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327943 (or 327937 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 1075475920 is about 32794.4495303702. The cubic root of 1075475920 is about 1024.5509577794.

The spelling of 1075475920 in words is "one billion, seventy-five million, four hundred seventy-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 327889 655778 1311556 1639445 2623112 3278890 5246224 6557780 13115560 13443449 26231120 26886898 53773796 67217245 107547592 134434490 215095184 268868980 537737960 1075475920