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1420142132 = 221663213491
BaseRepresentation
bin101010010100101…
…1010011000110100
310122222020200202202
41110221122120310
510402024022012
6352530324032
750123003033
oct12451323064
93588220682
101420142132
116696a6892
12337729618
131982b17b6
14d687671a
1584a22cc2
hex54a5a634

1420142132 has 12 divisors (see below), whose sum is σ = 2486754816. Its totient is φ = 709640760.

The previous prime is 1420142131. The next prime is 1420142189. The reversal of 1420142132 is 2312410241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420142131) 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, 100094 + ... + 113397.

It is an arithmetic number, because the mean of its divisors is an integer number (207229568).

Almost surely, 21420142132 is an apocalyptic number.

It is an amenable number.

1420142132 is a deficient number, since it is larger than the sum of its proper divisors (1066612684).

1420142132 is a wasteful number, since it uses less digits than its factorization.

1420142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215158 (or 215156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1420142132 is about 37684.7732114710. The cubic root of 1420142132 is about 1124.0283645531.

Adding to 1420142132 its reverse (2312410241), we get a palindrome (3732552373).

The spelling of 1420142132 in words is "one billion, four hundred twenty million, one hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 1663 3326 6652 213491 426982 853964 355035533 710071066 1420142132