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1401214404 = 223617189251
BaseRepresentation
bin101001110000100…
…1101010111000100
310121122122001210210
41103201031113010
510332202330104
6351012515420
746503061122
oct12341152704
93548561723
101401214404
11659a49137
1233131bb70
131943b5465
14d414a912
1583034989
hex5384d5c4

1401214404 has 24 divisors (see below), whose sum is σ = 3274816608. Its totient is φ = 466312000.

The previous prime is 1401214387. The next prime is 1401214421. The reversal of 1401214404 is 4044121041.

It is an interprime number because it is at equal distance from previous prime (1401214387) and next prime (1401214421).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87222 + ... + 102029.

It is an arithmetic number, because the mean of its divisors is an integer number (136450692).

Almost surely, 21401214404 is an apocalyptic number.

It is an amenable number.

1401214404 is an abundant number, since it is smaller than the sum of its proper divisors (1873602204).

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

1401214404 is a wasteful number, since it uses less digits than its factorization.

1401214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189875 (or 189873 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1401214404 is about 37432.7985061229. The cubic root of 1401214404 is about 1119.0123105818.

Adding to 1401214404 its reverse (4044121041), we get a palindrome (5445335445).

The spelling of 1401214404 in words is "one billion, four hundred one million, two hundred fourteen thousand, four hundred four".

Divisors: 1 2 3 4 6 12 617 1234 1851 2468 3702 7404 189251 378502 567753 757004 1135506 2271012 116767867 233535734 350303601 467071468 700607202 1401214404