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1451420234 = 211421156707
BaseRepresentation
bin101011010000010…
…1110101001001010
310202011002210020222
41112200232221022
510433030421414
6400004550042
750652603605
oct12640565112
93664083228
101451420234
1168531a560
123460b2322
131a1913454
14daa9933c
158765068e
hex5682ea4a

1451420234 has 16 divisors (see below), whose sum is σ = 2380707936. Its totient is φ = 658165200.

The previous prime is 1451420233. The next prime is 1451420239. The reversal of 1451420234 is 4320241541.

It is a super-3 number, since 3×14514202343 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1451420233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69092 + ... + 87615.

It is an arithmetic number, because the mean of its divisors is an integer number (148794246).

Almost surely, 21451420234 is an apocalyptic number.

1451420234 is a deficient number, since it is larger than the sum of its proper divisors (929287702).

1451420234 is a wasteful number, since it uses less digits than its factorization.

1451420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157141.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1451420234 is about 38097.5095511505. The cubic root of 1451420234 is about 1132.2206141251.

Adding to 1451420234 its reverse (4320241541), we get a palindrome (5771661775).

The spelling of 1451420234 in words is "one billion, four hundred fifty-one million, four hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 11 22 421 842 4631 9262 156707 313414 1723777 3447554 65973647 131947294 725710117 1451420234