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1427209244 = 2219179104911
BaseRepresentation
bin101010100010001…
…0111110000011100
310200110112202000122
41111010113300130
510410331143434
6353342014112
750240035616
oct12504276034
93613482018
101427209244
1167269347a
12339b77338
131998b7416
14d7795db6
158546bc2e
hex55117c1c

1427209244 has 24 divisors (see below), whose sum is σ = 2643782400. Its totient is φ = 672263280.

The previous prime is 1427209183. The next prime is 1427209261. The reversal of 1427209244 is 4429027241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38852 + ... + 66059.

It is an arithmetic number, because the mean of its divisors is an integer number (110157600).

Almost surely, 21427209244 is an apocalyptic number.

It is an amenable number.

1427209244 is a deficient number, since it is larger than the sum of its proper divisors (1216573156).

1427209244 is a wasteful number, since it uses less digits than its factorization.

1427209244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105113 (or 105111 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1427209244 is about 37778.4229951437. The cubic root of 1427209244 is about 1125.8897965248.

The spelling of 1427209244 in words is "one billion, four hundred twenty-seven million, two hundred nine thousand, two hundred forty-four".

Divisors: 1 2 4 19 38 76 179 358 716 3401 6802 13604 104911 209822 419644 1993309 3986618 7973236 18779069 37558138 75116276 356802311 713604622 1427209244