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1404437142 = 235313732237
BaseRepresentation
bin101001110110110…
…0000001010010110
310121212200210120110
41103231200022112
510334013442032
6351205543450
746542342633
oct12355401226
93555623513
101404437142
1166084a459
12332414b86
13194c732c4
14d474918a
158346e7cc
hex53b60296

1404437142 has 32 divisors (see below), whose sum is σ = 2882850912. Its totient is φ = 455945984.

The previous prime is 1404437123. The next prime is 1404437149. The reversal of 1404437142 is 2417344041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404437149) 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, 27448 + ... + 59684.

It is an arithmetic number, because the mean of its divisors is an integer number (90089091).

Almost surely, 21404437142 is an apocalyptic number.

1404437142 is an abundant number, since it is smaller than the sum of its proper divisors (1478413770).

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

1404437142 is a wasteful number, since it uses less digits than its factorization.

1404437142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32432.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1404437142 is about 37475.8207648612. The cubic root of 1404437142 is about 1119.8695484755.

The spelling of 1404437142 in words is "one billion, four hundred four million, four hundred thirty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 53 106 137 159 274 318 411 822 7261 14522 21783 32237 43566 64474 96711 193422 1708561 3417122 4416469 5125683 8832938 10251366 13249407 26498814 234072857 468145714 702218571 1404437142