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1402030020 = 223523367167
BaseRepresentation
bin101001110010001…
…0100011111000100
310121201011111121210
41103210110133010
510332404430040
6351042211420
746513026036
oct12344243704
93551144553
101402030020
1165a4559a6
12331653b70
1319460c781
14d42bdc56
1583146480
hex539147c4

1402030020 has 24 divisors (see below), whose sum is σ = 3925684224. Its totient is φ = 373874656.

The previous prime is 1402030013. The next prime is 1402030051. The reversal of 1402030020 is 200302041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1402029978 and 1402030005.

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, 11683524 + ... + 11683643.

It is an arithmetic number, because the mean of its divisors is an integer number (163570176).

Almost surely, 21402030020 is an apocalyptic number.

1402030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402030020 is an abundant number, since it is smaller than the sum of its proper divisors (2523654204).

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

1402030020 is a wasteful number, since it uses less digits than its factorization.

1402030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23367179 (or 23367177 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1402030020 is about 37443.6913244408. The cubic root of 1402030020 is about 1119.2293859308.

Adding to 1402030020 its reverse (200302041), we get a palindrome (1602332061).

The spelling of 1402030020 in words is "one billion, four hundred two million, thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 23367167 46734334 70101501 93468668 116835835 140203002 233671670 280406004 350507505 467343340 701015010 1402030020