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1401220104 = 233173434363
BaseRepresentation
bin101001110000100…
…1110110000001000
310121122122100121220
41103201032300020
510332203020404
6351013002040
746503113544
oct12341166010
93548570556
101401220104
11659a52449
12331323320
131943b7c2b
14d414ca24
15830364d9
hex5384ec08

1401220104 has 32 divisors (see below), whose sum is σ = 3709113120. Its totient is φ = 439598336.

The previous prime is 1401220091. The next prime is 1401220109. The reversal of 1401220104 is 4010221041.

It is not an unprimeable number, because it can be changed into a prime (1401220109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716774 + ... + 1717589.

It is an arithmetic number, because the mean of its divisors is an integer number (115909785).

Almost surely, 21401220104 is an apocalyptic number.

It is an amenable number.

1401220104 is an abundant number, since it is smaller than the sum of its proper divisors (2307893016).

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

1401220104 is a wasteful number, since it uses less digits than its factorization.

1401220104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434389 (or 3434385 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1401220104 is about 37432.8746424850. The cubic root of 1401220104 is about 1119.0138279231.

Adding to 1401220104 its reverse (4010221041), we get a palindrome (5411441145).

The spelling of 1401220104 in words is "one billion, four hundred one million, two hundred twenty thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 3434363 6868726 10303089 13737452 20606178 27474904 41212356 58384171 82424712 116768342 175152513 233536684 350305026 467073368 700610052 1401220104