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70225060 = 22512292857
BaseRepresentation
bin1000010111110…
…00110010100100
311220010210200011
410023320302210
5120434200220
610545100004
71511621533
oct413706244
9156123604
1070225060
1136705144
121b627604
131171a0b9
14948031a
15627265a
hex42f8ca4

70225060 has 24 divisors (see below), whose sum is σ = 147644280. Its totient is φ = 28057344.

The previous prime is 70225027. The next prime is 70225061. The reversal of 70225060 is 6052207.

It can be written as a sum of positive squares in 4 ways, for example, as 32353344 + 37871716 = 5688^2 + 6154^2 .

It is not an unprimeable number, because it can be changed into a prime (70225061) 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, 23152 + ... + 26008.

It is an arithmetic number, because the mean of its divisors is an integer number (6151845).

Almost surely, 270225060 is an apocalyptic number.

It is an amenable number.

70225060 is an abundant number, since it is smaller than the sum of its proper divisors (77419220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70225060 is a wasteful number, since it uses less digits than its factorization.

70225060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095 (or 4093 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 70225060 is about 8380.0393793824. The cubic root of 70225060 is about 412.5697414986.

Adding to 70225060 its reverse (6052207), we get a palindrome (76277267).

The spelling of 70225060 in words is "seventy million, two hundred twenty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 1229 2458 2857 4916 5714 6145 11428 12290 14285 24580 28570 57140 3511253 7022506 14045012 17556265 35112530 70225060