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70013351 = 732833389
BaseRepresentation
bin1000010110001…
…01000110100111
311212202001021002
410023011012213
5120410411401
610540343515
71510050362
oct413050647
9155661232
1070013351
1136580081
121b544b9b
1311674925
1494270d9
15622ea6b
hex42c51a7

70013351 has 8 divisors (see below), whose sum is σ = 71244240. Its totient is φ = 68789952.

The previous prime is 70013341. The next prime is 70013369. The reversal of 70013351 is 15331007.

It is a happy number.

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 70013351 - 214 = 69996967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70013341) 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, 18965 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (8905530).

Almost surely, 270013351 is an apocalyptic number.

70013351 is a deficient number, since it is larger than the sum of its proper divisors (1230889).

70013351 is a wasteful number, since it uses less digits than its factorization.

70013351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 70013351 is about 8367.3981021582. The cubic root of 70013351 is about 412.1547298772.

Adding to 70013351 its reverse (15331007), we get a palindrome (85344358).

The spelling of 70013351 in words is "seventy million, thirteen thousand, three hundred fifty-one".

Divisors: 1 73 283 3389 20659 247397 959087 70013351