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75463830 = 23251364499
BaseRepresentation
bin1000111111101…
…11110010010110
312020222221220200
410133313302112
5123304320310
611253241330
71604301111
oct437676226
9166887820
1075463830
1139663102
1221333246
1312832770
14a045578
1569599c0
hex47f7c96

75463830 has 48 divisors (see below), whose sum is σ = 211302000. Its totient is φ = 18575424.

The previous prime is 75463819. The next prime is 75463853. The reversal of 75463830 is 3836457.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31080 + ... + 33419.

It is an arithmetic number, because the mean of its divisors is an integer number (4402125).

Almost surely, 275463830 is an apocalyptic number.

75463830 is an abundant number, since it is smaller than the sum of its proper divisors (135838170).

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

75463830 is a wasteful number, since it uses less digits than its factorization.

75463830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64525 (or 64522 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 75463830 is about 8686.9919995359. The cubic root of 75463830 is about 422.5839008009.

The spelling of 75463830 in words is "seventy-five million, four hundred sixty-three thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 64499 128998 193497 322495 386994 580491 644990 838487 967485 1160982 1676974 1934970 2515461 2902455 4192435 5030922 5804910 7546383 8384870 12577305 15092766 25154610 37731915 75463830