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70957950 = 2352767579
BaseRepresentation
bin1000011101010…
…11101101111110
311221112001000020
410032223231332
5121131123300
611012513010
71521063330
oct416535576
9157461006
1070957950
1137065838
121b91b766
131191586b
1495d1450
1563698a0
hex43abb7e

70957950 has 48 divisors (see below), whose sum is σ = 201118080. Its totient is φ = 16218720.

The previous prime is 70957919. The next prime is 70957961. The reversal of 70957950 is 5975907.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon 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, 32740 + ... + 34839.

It is an arithmetic number, because the mean of its divisors is an integer number (4189960).

Almost surely, 270957950 is an apocalyptic number.

70957950 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70957950 is an abundant number, since it is smaller than the sum of its proper divisors (130160130).

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

70957950 is a wasteful number, since it uses less digits than its factorization.

70957950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67601 (or 67596 counting only the distinct ones).

The product of its (nonzero) digits is 99225, while the sum is 42.

The square root of 70957950 is about 8423.6541951816. The cubic root of 70957950 is about 414.0000116689. Note that the first 4 decimals are identical.

The spelling of 70957950 in words is "seventy million, nine hundred fifty-seven thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 67579 135158 202737 337895 405474 473053 675790 946106 1013685 1419159 1689475 2027370 2365265 2838318 3378950 4730530 5068425 7095795 10136850 11826325 14191590 23652650 35478975 70957950