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1402112213 = 172924111801
BaseRepresentation
bin101001110010010…
…1000100011010101
310121201022200100222
41103210220203111
510332420042323
6351044044125
746513520465
oct12344504325
93551280328
101402112213
1165a501727
12331693645
1319463acc8
14d4301ba5
15831609c8
hex539288d5

1402112213 has 16 divisors (see below), whose sum is σ = 1542285360. Its totient is φ = 1268736000.

The previous prime is 1402112203. The next prime is 1402112221. The reversal of 1402112213 is 3122112041.

It can be written as a sum of positive squares in 8 ways, for example, as 128550244 + 1273561969 = 11338^2 + 35687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402112213 - 28 = 1402111957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402112191 and 1402112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402112203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112913 + ... + 124713.

It is an arithmetic number, because the mean of its divisors is an integer number (96392835).

Almost surely, 21402112213 is an apocalyptic number.

It is an amenable number.

1402112213 is a deficient number, since it is larger than the sum of its proper divisors (140173147).

1402112213 is a wasteful number, since it uses less digits than its factorization.

1402112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1402112213 is about 37444.7888630715. The cubic root of 1402112213 is about 1119.2512568423.

Adding to 1402112213 its reverse (3122112041), we get a palindrome (4524224254).

The spelling of 1402112213 in words is "one billion, four hundred two million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 17 29 241 493 4097 6989 11801 118813 200617 342229 2844041 5817893 48348697 82477189 1402112213