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1227972054 = 23204662009
BaseRepresentation
bin100100100110001…
…0101110111010110
310011120122102222110
41021030111313112
510003330101204
6321503411450
742300406311
oct11114256726
93146572873
101227972054
11580181641
122a32b3b86
131675393aa
14b9131978
1572c13889
hex49315dd6

1227972054 has 8 divisors (see below), whose sum is σ = 2455944120. Its totient is φ = 409324016.

The previous prime is 1227972049. The next prime is 1227972107. The reversal of 1227972054 is 4502797221.

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

1227972054 is an admirable number.

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, 102330999 + ... + 102331010.

It is an arithmetic number, because the mean of its divisors is an integer number (306993015).

Almost surely, 21227972054 is an apocalyptic number.

1227972054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1227972054 is a wasteful number, since it uses less digits than its factorization.

1227972054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204662014.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1227972054 is about 35042.4321929857. The cubic root of 1227972054 is about 1070.8521043057.

The spelling of 1227972054 in words is "one billion, two hundred twenty-seven million, nine hundred seventy-two thousand, fifty-four".

Divisors: 1 2 3 6 204662009 409324018 613986027 1227972054