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2142428274 = 232722429057
BaseRepresentation
bin111111110110010…
…1101110001110010
312112022100122002100
41333230231301302
513341430201044
6552331401230
7104043224400
oct17754556162
95468318070
102142428274
119aa388088
124b95b3216
13281b24a4c
14164772470
15c8148869
hex7fb2dc72

2142428274 has 36 divisors (see below), whose sum is σ = 5399795934. Its totient is φ = 612122112.

The previous prime is 2142428269. The next prime is 2142428291. The reversal of 2142428274 is 4728242412.

It can be written as a sum of positive squares in only one way, i.e., 1193357025 + 949071249 = 34545^2 + 30807^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1213647 + ... + 1215410.

Almost surely, 22142428274 is an apocalyptic number.

2142428274 is an abundant number, since it is smaller than the sum of its proper divisors (3257367660).

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

2142428274 is a wasteful number, since it uses less digits than its factorization.

2142428274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429079 (or 2429069 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 2142428274 is about 46286.3724437334. The cubic root of 2142428274 is about 1289.1459752030.

The spelling of 2142428274 in words is "two billion, one hundred forty-two million, four hundred twenty-eight thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 2429057 4858114 7287171 14574342 17003399 21861513 34006798 43723026 51010197 102020394 119023793 153030591 238047586 306061182 357071379 714142758 1071214137 2142428274