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1238027434 = 27212632933
BaseRepresentation
bin100100111001010…
…1100110010101010
310012021120022100221
41021302230302222
510013413334214
6322503120254
742452026300
oct11162546252
93167508327
101238027434
1158591a376
122a674308a
1316964a217
14ba5cc270
1573a4ce24
hex49caccaa

1238027434 has 12 divisors (see below), whose sum is σ = 2160231714. Its totient is φ = 530583144.

The previous prime is 1238027411. The next prime is 1238027443. The reversal of 1238027434 is 4347208321.

It can be written as a sum of positive squares in only one way, i.e., 1210831209 + 27196225 = 34797^2 + 5215^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1238027434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6316369 + ... + 6316564.

Almost surely, 21238027434 is an apocalyptic number.

1238027434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1238027434 is a deficient number, since it is larger than the sum of its proper divisors (922204280).

1238027434 is a wasteful number, since it uses less digits than its factorization.

1238027434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632949 (or 12632942 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1238027434 is about 35185.6140205056. The cubic root of 1238027434 is about 1073.7670910159.

The spelling of 1238027434 in words is "one billion, two hundred thirty-eight million, twenty-seven thousand, four hundred thirty-four".

Divisors: 1 2 7 14 49 98 12632933 25265866 88430531 176861062 619013717 1238027434