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1020214542 = 232337199807
BaseRepresentation
bin111100110011110…
…011110100001110
32122002201021020210
4330303303310032
54042133331132
6245122423250
734165452264
oct7463636416
92562637223
101020214542
11483980316
12245801b26
13133497159
14996d0434
155e875bcc
hex3ccf3d0e

1020214542 has 32 divisors (see below), whose sum is σ = 2186698752. Its totient is φ = 316492704.

The previous prime is 1020214483. The next prime is 1020214553. The reversal of 1020214542 is 2454120201.

It is a super-3 number, since 3×10202145423 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94798 + ... + 105009.

It is an arithmetic number, because the mean of its divisors is an integer number (68334336).

Almost surely, 21020214542 is an apocalyptic number.

1020214542 is an abundant number, since it is smaller than the sum of its proper divisors (1166484210).

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

1020214542 is a wasteful number, since it uses less digits than its factorization.

1020214542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199872.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1020214542 is about 31940.7974540399. The cubic root of 1020214542 is about 1006.6932807070.

Adding to 1020214542 its reverse (2454120201), we get a palindrome (3474334743).

The spelling of 1020214542 in words is "one billion, twenty million, two hundred fourteen thousand, five hundred forty-two".

Divisors: 1 2 3 6 23 37 46 69 74 111 138 222 851 1702 2553 5106 199807 399614 599421 1198842 4595561 7392859 9191122 13786683 14785718 22178577 27573366 44357154 170035757 340071514 510107271 1020214542