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70354219 = 135411863
BaseRepresentation
bin1000011000110…
…00010100101011
311220101100211211
410030120110223
5121002313334
610551533551
71513000225
oct414302453
9156340754
1070354219
1136793191
121b68a2b7
1311763b20
1494b5415
15629aa64
hex431852b

70354219 has 4 divisors (see below), whose sum is σ = 75766096. Its totient is φ = 64942344.

The previous prime is 70354201. The next prime is 70354241. The reversal of 70354219 is 91245307.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70354219 - 29 = 70353707 is a prime.

It is a super-2 number, since 2×703542192 = 9899432262199922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70354819) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2705919 + ... + 2705944.

It is an arithmetic number, because the mean of its divisors is an integer number (18941524).

Almost surely, 270354219 is an apocalyptic number.

70354219 is a deficient number, since it is larger than the sum of its proper divisors (5411877).

70354219 is a wasteful number, since it uses less digits than its factorization.

70354219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411876.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 70354219 is about 8387.7421872635. The cubic root of 70354219 is about 412.8225214405.

The spelling of 70354219 in words is "seventy million, three hundred fifty-four thousand, two hundred nineteen".

Divisors: 1 13 5411863 70354219