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70222370 = 257022237
BaseRepresentation
bin1000010111110…
…00001000100010
311220010122222112
410023320020202
5120434103440
610545035322
71511610641
oct413701042
9156118875
1070222370
1136703119
121b625b42
1311718aca
14947d358
156271965
hex42f8222

70222370 has 8 divisors (see below), whose sum is σ = 126400284. Its totient is φ = 28088944.

The previous prime is 70222367. The next prime is 70222387. The reversal of 70222370 is 7322207.

It can be written as a sum of positive squares in 2 ways, for example, as 60481729 + 9740641 = 7777^2 + 3121^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511109 + ... + 3511128.

Almost surely, 270222370 is an apocalyptic number.

70222370 is a deficient number, since it is larger than the sum of its proper divisors (56177914).

70222370 is a wasteful number, since it uses less digits than its factorization.

70222370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022244.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 70222370 is about 8379.8788774063. The cubic root of 70222370 is about 412.5644735464.

Adding to 70222370 its reverse (7322207), we get a palindrome (77544577).

The spelling of 70222370 in words is "seventy million, two hundred twenty-two thousand, three hundred seventy".

Divisors: 1 2 5 10 7022237 14044474 35111185 70222370