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2142454532 = 224312456131
BaseRepresentation
bin111111110110011…
…0100001100000100
312112022101222002212
41333230310030010
513341432021112
6552332122552
7104043364061
oct17754641404
95468358085
102142454532
119aa3a5889
124b9606458
13281b3399a
1416477bc68
15c8151522
hex7fb34304

2142454532 has 12 divisors (see below), whose sum is σ = 3836488656. Its totient is φ = 1046314920.

The previous prime is 2142454513. The next prime is 2142454537. The reversal of 2142454532 is 2354542412.

It is a super-3 number, since 3×21424545323 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2142454537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6227894 + ... + 6228237.

It is an arithmetic number, because the mean of its divisors is an integer number (319707388).

Almost surely, 22142454532 is an apocalyptic number.

It is an amenable number.

2142454532 is a deficient number, since it is larger than the sum of its proper divisors (1694034124).

2142454532 is a wasteful number, since it uses less digits than its factorization.

2142454532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456178 (or 12456176 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 2142454532 is about 46286.6560900655. The cubic root of 2142454532 is about 1289.1512418526.

Adding to 2142454532 its reverse (2354542412), we get a palindrome (4496996944).

The spelling of 2142454532 in words is "two billion, one hundred forty-two million, four hundred fifty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 43 86 172 12456131 24912262 49824524 535613633 1071227266 2142454532