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1421234332 = 227417915671
BaseRepresentation
bin101010010110110…
…0101000010011100
310200001022011222121
41110231211002130
510402313444312
6353005552324
750135202220
oct12455450234
93601264877
101421234332
1166a282431
12337b756a4
131985a497b
14d6a7c780
1584b8b707
hex54b6509c

1421234332 has 48 divisors (see below), whose sum is σ = 2948843520. Its totient is φ = 586684800.

The previous prime is 1421234329. The next prime is 1421234341. The reversal of 1421234332 is 2334321241.

It is a junction number, because it is equal to n+sod(n) for n = 1421234297 and 1421234306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82857 + ... + 98527.

It is an arithmetic number, because the mean of its divisors is an integer number (61434240).

Almost surely, 21421234332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421234332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474421760).

1421234332 is an abundant number, since it is smaller than the sum of its proper divisors (1527609188).

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

1421234332 is a wasteful number, since it uses less digits than its factorization.

1421234332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15802 (or 15800 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1421234332 is about 37699.2616903833. The cubic root of 1421234332 is about 1124.3164458570.

Adding to 1421234332 its reverse (2334321241), we get a palindrome (3755555573).

The spelling of 1421234332 in words is "one billion, four hundred twenty-one million, two hundred thirty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 41 79 82 158 164 287 316 553 574 1106 1148 2212 3239 6478 12956 15671 22673 31342 45346 62684 90692 109697 219394 438788 642511 1238009 1285022 2476018 2570044 4497577 4952036 8666063 8995154 17332126 17990308 34664252 50758369 101516738 203033476 355308583 710617166 1421234332