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1401234948 = 223238923193
BaseRepresentation
bin101001110000101…
…0010011000000100
310121122200002222200
41103201102120010
510332204004243
6351013154500
746503205041
oct12341223004
93548602880
101401234948
11659a62613
1233132ba30
131943c1909
14d41541c8
158303aad3
hex53852604

1401234948 has 18 divisors (see below), whose sum is σ = 3542010654. Its totient is φ = 467078304.

The previous prime is 1401234943. The next prime is 1401234997. The reversal of 1401234948 is 8494321041.

It is a happy number.

1401234948 is a `hidden beast` number, since 1 + 40 + 123 + 494 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1189008324 + 212226624 = 34482^2 + 14568^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 38923193 = 1401234948 / (1 + 4 + 0 + 1 + 2 + 3 + 4 + 9 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (1401234941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19461561 + ... + 19461632.

Almost surely, 21401234948 is an apocalyptic number.

1401234948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1401234948 is an abundant number, since it is smaller than the sum of its proper divisors (2140775706).

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

1401234948 is a wasteful number, since it uses less digits than its factorization.

1401234948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38923203 (or 38923198 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1401234948 is about 37433.0729168739. The cubic root of 1401234948 is about 1119.0177793800.

Adding to 1401234948 its reverse (8494321041), we get a palindrome (9895555989).

The spelling of 1401234948 in words is "one billion, four hundred one million, two hundred thirty-four thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 38923193 77846386 116769579 155692772 233539158 350308737 467078316 700617474 1401234948