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2142023425 = 521937307397
BaseRepresentation
bin111111110101100…
…1010111100000001
312112021121001201221
41333223022330001
513341324222200
6552314555041
7104036620153
oct17753127401
95467531657
102142023425
119aa1309a3
124b9438a81
13281a126a9
141646a8ad3
15c80b891a
hex7facaf01

2142023425 has 48 divisors (see below), whose sum is σ = 2888079040. Its totient is φ = 1570440960.

The previous prime is 2142023423. The next prime is 2142023467. The reversal of 2142023425 is 5243202412.

It is not a de Polignac number, because 2142023425 - 21 = 2142023423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2142023425.

It is not an unprimeable number, because it can be changed into a prime (2142023423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5395327 + ... + 5395723.

Almost surely, 22142023425 is an apocalyptic number.

2142023425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2142023425 is a deficient number, since it is larger than the sum of its proper divisors (746055615).

2142023425 is a wasteful number, since it uses less digits than its factorization.

2142023425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2142023425 is about 46281.9989304697. The cubic root of 2142023425 is about 1289.0647679201.

Adding to 2142023425 its reverse (5243202412), we get a palindrome (7385225837).

The spelling of 2142023425 in words is "two billion, one hundred forty-two million, twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 19 25 37 95 185 307 397 475 703 925 1535 1985 3515 5833 7543 7675 9925 11359 14689 17575 29165 37715 56795 73445 121879 145825 188575 215821 279091 283975 367225 609395 1079105 1395455 2315701 3046975 4509523 5395525 6977275 11578505 22547615 57892525 85680937 112738075 428404685 2142023425