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1405246061 = 171911093923
BaseRepresentation
bin101001111000010…
…0101101001101101
310121221012220012102
41103300211221231
510334220333221
6351235144445
746552252202
oct12360455155
93557186172
101405246061
1166125218a
12332745125
1319519755b
14d48b9ca9
158357e30b
hex53c25a6d

1405246061 has 16 divisors (see below), whose sum is σ = 1568030400. Its totient is φ = 1251525888.

The previous prime is 1405246043. The next prime is 1405246079. The reversal of 1405246061 is 1606425041.

It is an interprime number because it is at equal distance from previous prime (1405246043) and next prime (1405246079).

It is a cyclic number.

It is not a de Polignac number, because 1405246061 - 218 = 1404983917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405246001) 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, 356246 + ... + 360168.

It is an arithmetic number, because the mean of its divisors is an integer number (98001900).

Almost surely, 21405246061 is an apocalyptic number.

It is an amenable number.

1405246061 is a deficient number, since it is larger than the sum of its proper divisors (162784339).

1405246061 is a wasteful number, since it uses less digits than its factorization.

1405246061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1405246061 is about 37486.6117567326. The cubic root of 1405246061 is about 1120.0845123834.

The spelling of 1405246061 in words is "one billion, four hundred five million, two hundred forty-six thousand, sixty-one".

Divisors: 1 17 19 323 1109 3923 18853 21071 66691 74537 358207 1267129 4350607 73960319 82661533 1405246061