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1402230020 = 225193690079
BaseRepresentation
bin101001110010100…
…0101010100000100
310121201112122222012
41103211011110010
510332432330040
6351050353352
746514521112
oct12345052404
93551478865
101402230020
1165a582194
1233172b858
1319467c809
14d4332ab2
1583185865
hex53945504

1402230020 has 24 divisors (see below), whose sum is σ = 3099667200. Its totient is φ = 531371232.

The previous prime is 1402230017. The next prime is 1402230031. The reversal of 1402230020 is 200322041.

It is a junction number, because it is equal to n+sod(n) for n = 1402229977 and 1402230004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844660 + ... + 1845419.

It is an arithmetic number, because the mean of its divisors is an integer number (129152800).

Almost surely, 21402230020 is an apocalyptic number.

1402230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402230020 is an abundant number, since it is smaller than the sum of its proper divisors (1697437180).

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

1402230020 is a wasteful number, since it uses less digits than its factorization.

1402230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690107 (or 3690105 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1402230020 is about 37446.3619060651. The cubic root of 1402230020 is about 1119.2826028689.

Adding to 1402230020 its reverse (200322041), we get a palindrome (1602552061).

The spelling of 1402230020 in words is "one billion, four hundred two million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3690079 7380158 14760316 18450395 36900790 70111501 73801580 140223002 280446004 350557505 701115010 1402230020