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1451420430 = 235199243119
BaseRepresentation
bin101011010000010…
…1110101100001110
310202011002210112020
41112200232230032
510433030423210
6400004551010
750652604305
oct12640565416
93664083466
101451420430
1168531a719
123460b2466
131a1913575
14daa9943c
1587650770
hex5682eb0e

1451420430 has 32 divisors (see below), whose sum is σ = 3500928000. Its totient is φ = 385098912.

The previous prime is 1451420429. The next prime is 1451420437. The reversal of 1451420430 is 340241541.

It is a self number, because there is not a number n which added to its sum of digits gives 1451420430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451420437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115590 + ... + 127529.

It is an arithmetic number, because the mean of its divisors is an integer number (109404000).

Almost surely, 21451420430 is an apocalyptic number.

1451420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1451420430 is an abundant number, since it is smaller than the sum of its proper divisors (2049507570).

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

1451420430 is a wasteful number, since it uses less digits than its factorization.

1451420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243328.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1451420430 is about 38097.5121234970. The cubic root of 1451420430 is about 1132.2206650902.

Adding to 1451420430 its reverse (340241541), we get a palindrome (1791661971).

The spelling of 1451420430 in words is "one billion, four hundred fifty-one million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 199 398 597 995 1194 1990 2985 5970 243119 486238 729357 1215595 1458714 2431190 3646785 7293570 48380681 96761362 145142043 241903405 290284086 483806810 725710215 1451420430