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2140253550 = 233521585373
BaseRepresentation
bin111111110010001…
…1010110101101110
312112011021010221000
41333210122311232
513340401103200
6552213021130
7104015566161
oct17744326556
95464233830
102140253550
119a9132196
124b89247a6
13281542c26
14164367ad8
15c7d69300
hex7f91ad6e

2140253550 has 48 divisors (see below), whose sum is σ = 5897591280. Its totient is φ = 570733920.

The previous prime is 2140253527. The next prime is 2140253597. The reversal of 2140253550 is 553520412.

It is a happy number.

2140253550 is a `hidden beast` number, since 21 + 40 + 2 + 53 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791337 + ... + 794036.

It is an arithmetic number, because the mean of its divisors is an integer number (122866485).

Almost surely, 22140253550 is an apocalyptic number.

2140253550 is an abundant number, since it is smaller than the sum of its proper divisors (3757337730).

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

2140253550 is a wasteful number, since it uses less digits than its factorization.

2140253550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585394 (or 1585383 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2140253550 is about 46262.8744243157. The cubic root of 2140253550 is about 1288.7096345235.

Adding to 2140253550 its reverse (553520412), we get a palindrome (2693773962).

The spelling of 2140253550 in words is "two billion, one hundred forty million, two hundred fifty-three thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 1585373 3170746 4756119 7926865 9512238 14268357 15853730 23780595 28536714 39634325 42805071 47561190 71341785 79268650 85610142 118902975 142683570 214025355 237805950 356708925 428050710 713417850 1070126775 2140253550