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1420332430 = 25111373072
BaseRepresentation
bin101010010101000…
…1000110110001110
310122222121100210211
41110222020312032
510402101114210
6352534353034
750124424606
oct12452106616
93588540724
101420332430
11669816860
123377bb77a
1319834a2ba
14d68c5c06
1584a5e38a
hex54a88d8e

1420332430 has 48 divisors (see below), whose sum is σ = 2818555056. Its totient is φ = 511044480.

The previous prime is 1420332427. The next prime is 1420332497. The reversal of 1420332430 is 342330241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4626337 + ... + 4626643.

It is an arithmetic number, because the mean of its divisors is an integer number (58719897).

Almost surely, 21420332430 is an apocalyptic number.

1420332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420332430 is a deficient number, since it is larger than the sum of its proper divisors (1398222626).

1420332430 is a wasteful number, since it uses less digits than its factorization.

1420332430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1420332430 is about 37687.2979928251. The cubic root of 1420332430 is about 1124.0785686352.

Adding to 1420332430 its reverse (342330241), we get a palindrome (1762662671).

The spelling of 1420332430 in words is "one billion, four hundred twenty million, three hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 137 274 307 614 685 1370 1507 1535 3014 3070 3377 6754 7535 15070 16885 33770 42059 84118 94249 188498 210295 420590 462649 471245 925298 942490 1036739 2073478 2313245 4626490 5183695 10367390 12912113 25824226 64560565 129121130 142033243 284066486 710166215 1420332430