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70160160 = 25357219157
BaseRepresentation
bin1000010111010…
…00111100100000
311220000111122110
410023220330200
5120430111120
610543435320
71511231400
oct413507440
9156014573
1070160160
1136670404
121b5b5b40
13116c66b5
149464800
15625d2e0
hex42e8f20

70160160 has 288 divisors, whose sum is σ = 272341440. Its totient is φ = 15095808.

The previous prime is 70160159. The next prime is 70160239. The reversal of 70160160 is 6106107.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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, 446802 + ... + 446958.

It is an arithmetic number, because the mean of its divisors is an integer number (945630).

Almost surely, 270160160 is an apocalyptic number.

70160160 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 70160160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136170720).

70160160 is an abundant number, since it is smaller than the sum of its proper divisors (202181280).

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

70160160 is a wasteful number, since it uses less digits than its factorization.

70160160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 70160160 is about 8376.1661874631. The cubic root of 70160160 is about 412.4426072584.

Adding to 70160160 its reverse (6106107), we get a palindrome (76266267).

The spelling of 70160160 in words is "seventy million, one hundred sixty thousand, one hundred sixty".