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70344370 = 257034437
BaseRepresentation
bin1000011000101…
…01111010110010
311220100212100001
410030111322302
5121002004440
610551420214
71512626425
oct414257262
9156325301
1070344370
1136786848
121b68466a
131175c4b5
1494b19bc
156297b9a
hex4315eb2

70344370 has 8 divisors (see below), whose sum is σ = 126619884. Its totient is φ = 28137744.

The previous prime is 70344359. The next prime is 70344371. The reversal of 70344370 is 7344307.

It can be written as a sum of positive squares in 2 ways, for example, as 70341769 + 2601 = 8387^2 + 51^2 .

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

It is not an unprimeable number, because it can be changed into a prime (70344371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517209 + ... + 3517228.

Almost surely, 270344370 is an apocalyptic number.

70344370 is a deficient number, since it is larger than the sum of its proper divisors (56275514).

70344370 is a wasteful number, since it uses less digits than its factorization.

70344370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034444.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 70344370 is about 8387.1550599712. The cubic root of 70344370 is about 412.8032566458.

Adding to 70344370 its reverse (7344307), we get a palindrome (77688677).

The spelling of 70344370 in words is "seventy million, three hundred forty-four thousand, three hundred seventy".

Divisors: 1 2 5 10 7034437 14068874 35172185 70344370