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253870222 = 2314094681
BaseRepresentation
bin11110010000111…
…00000010001110
3122200200221110211
433020130002032
51004442321342
641105153034
76201601264
oct1710340216
9580627424
10253870222
11120337501
127102b77a
1340799188
1425a06434
151744ac17
hexf21c08e

253870222 has 8 divisors (see below), whose sum is σ = 393089472. Its totient is φ = 122840400.

The previous prime is 253870193. The next prime is 253870249. The reversal of 253870222 is 222078352.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent 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, 2047279 + ... + 2047402.

It is an arithmetic number, because the mean of its divisors is an integer number (49136184).

Almost surely, 2253870222 is an apocalyptic number.

253870222 is a deficient number, since it is larger than the sum of its proper divisors (139219250).

253870222 is a wasteful number, since it uses less digits than its factorization.

253870222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094714.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 253870222 is about 15933.3054323326. The cubic root of 253870222 is about 633.1946755241.

The spelling of 253870222 in words is "two hundred fifty-three million, eight hundred seventy thousand, two hundred twenty-two".

Divisors: 1 2 31 62 4094681 8189362 126935111 253870222