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70633441 = 1016771033
BaseRepresentation
bin1000011010111…
…00011111100001
311220220112212101
410031130133201
5121040232231
611001530401
71515242254
oct415343741
9156815771
1070633441
1136963a4a
121b7a3a01
1311830c48
14954909b
156303661
hex435c7e1

70633441 has 8 divisors (see below), whose sum is σ = 71507304. Its totient is φ = 69763200.

The previous prime is 70633439. The next prime is 70633499. The reversal of 70633441 is 14433607.

It can be written as a sum of positive squares in 4 ways, for example, as 66912400 + 3721041 = 8180^2 + 1929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70633441 - 21 = 70633439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70633141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67861 + ... + 68893.

It is an arithmetic number, because the mean of its divisors is an integer number (8938413).

Almost surely, 270633441 is an apocalyptic number.

It is an amenable number.

70633441 is a deficient number, since it is larger than the sum of its proper divisors (873863).

70633441 is a wasteful number, since it uses less digits than its factorization.

70633441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 70633441 is about 8404.3703511923. The cubic root of 70633441 is about 413.3679375440.

The spelling of 70633441 in words is "seventy million, six hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 101 677 1033 68377 104333 699341 70633441