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1302230054 = 22328309349
BaseRepresentation
bin100110110011110…
…0111010000100110
310100202101010210202
41031213213100212
510131332330204
6333115150502
744161526036
oct11547472046
93322333722
101302230054
11609090794
12304145432
13179a39038
14c4d418c6
15794d0e1e
hex4d9e7426

1302230054 has 8 divisors (see below), whose sum is σ = 2038273200. Its totient is φ = 622805656.

The previous prime is 1302230053. The next prime is 1302230071. The reversal of 1302230054 is 4500322031.

It is a happy number.

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

It is a super-2 number, since 2×13022300542 = 3391606227081685832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302230053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14154629 + ... + 14154720.

It is an arithmetic number, because the mean of its divisors is an integer number (254784150).

Almost surely, 21302230054 is an apocalyptic number.

1302230054 is a deficient number, since it is larger than the sum of its proper divisors (736043146).

1302230054 is a wasteful number, since it uses less digits than its factorization.

1302230054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28309374.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1302230054 is about 36086.4247882774. The cubic root of 1302230054 is about 1092.0165945185.

Adding to 1302230054 its reverse (4500322031), we get a palindrome (5802552085).

The spelling of 1302230054 in words is "one billion, three hundred two million, two hundred thirty thousand, fifty-four".

Divisors: 1 2 23 46 28309349 56618698 651115027 1302230054