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70485800 = 235271123199
BaseRepresentation
bin1000011001110…
…00011100101000
311220122001100012
410030320130220
5121021021200
610554431052
71514055650
oct414703450
9156561305
1070485800
1136873030
121b732488
13117ab998
14950b360
1562c4a35
hex4338728

70485800 has 192 divisors, whose sum is σ = 214272000. Its totient is φ = 20908800.

The previous prime is 70485799. The next prime is 70485803. The reversal of 70485800 is 858407.

It is not an unprimeable number, because it can be changed into a prime (70485803) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 354101 + ... + 354299.

It is an arithmetic number, because the mean of its divisors is an integer number (1116000).

Almost surely, 270485800 is an apocalyptic number.

70485800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70485800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

70485800 is an abundant number, since it is smaller than the sum of its proper divisors (143786200).

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

70485800 is a wasteful number, since it uses less digits than its factorization.

70485800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 70485800 is about 8395.5821715948. The cubic root of 70485800 is about 413.0797236008.

The spelling of 70485800 in words is "seventy million, four hundred eighty-five thousand, eight hundred".