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1401542233 = 71383971913
BaseRepresentation
bin101001110001001…
…1101011001011001
310121200020201111121
41103202131121121
510332243322413
6351023525241
746505624650
oct12342353131
93550221447
101401542233
1165a152473
12331459821
1319449b740
14d41d4197
158309bb8d
hex5389d659

1401542233 has 32 divisors (see below), whose sum is σ = 1764677376. Its totient is φ = 1083691008.

The previous prime is 1401542173. The next prime is 1401542279. The reversal of 1401542233 is 3322451041.

It is a cyclic number.

It is not a de Polignac number, because 1401542233 - 225 = 1367987801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401542198 and 1401542207.

It is not an unprimeable number, because it can be changed into a prime (1401542833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731685 + ... + 733597.

It is an arithmetic number, because the mean of its divisors is an integer number (55146168).

Almost surely, 21401542233 is an apocalyptic number.

1401542233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1401542233 is a deficient number, since it is larger than the sum of its proper divisors (363135143).

1401542233 is a wasteful number, since it uses less digits than its factorization.

1401542233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1401542233 is about 37437.1771505278. The cubic root of 1401542233 is about 1119.0995720507.

Adding to 1401542233 its reverse (3322451041), we get a palindrome (4723993274).

The spelling of 1401542233 in words is "one billion, four hundred one million, five hundred forty-two thousand, two hundred thirty-three".

Divisors: 1 7 13 83 91 97 581 679 1079 1261 1913 7553 8051 8827 13391 24869 56357 104663 158779 174083 185561 732641 1111453 1298927 2064127 2412293 14448889 15401563 16886051 107810941 200220319 1401542233