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70041600 = 214325219
BaseRepresentation
bin1000010110011…
…00000000000000
311212210111000100
410023030000000
5120412312400
610541122400
71510225626
oct413140000
9155714010
1070041600
113659a322
121b559400
1311684745
149433516
156238100
hex42cc000

70041600 has 270 divisors, whose sum is σ = 264102020. Its totient is φ = 17694720.

The previous prime is 70041557. The next prime is 70041607. The reversal of 70041600 is 614007.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (70041607) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3686391 + ... + 3686409.

Almost surely, 270041600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70041600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132051010).

70041600 is an abundant number, since it is smaller than the sum of its proper divisors (194060420).

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

70041600 is a wasteful number, since it uses less digits than its factorization.

70041600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70041600 is about 8369.0859715981. The cubic root of 70041600 is about 412.2101545128.

Adding to 70041600 its reverse (614007), we get a palindrome (70655607).

The spelling of 70041600 in words is "seventy million, forty-one thousand, six hundred".