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1310430428 = 222361923011
BaseRepresentation
bin100111000011011…
…1001010011011100
310101022210202121022
41032012321103130
510140432233203
6334011023312
744321321606
oct11606712334
93338722538
101310430428
1161278185a
12306a3ab38
1317b64a728
14c6078176
157a0a0a38
hex4e1b94dc

1310430428 has 24 divisors (see below), whose sum is σ = 2396929920. Its totient is φ = 625687920.

The previous prime is 1310430427. The next prime is 1310430439. The reversal of 1310430428 is 8240340131.

It is a junction number, because it is equal to n+sod(n) for n = 1310430397 and 1310430406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310430427) 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, 45443 + ... + 68453.

It is an arithmetic number, because the mean of its divisors is an integer number (99872080).

Almost surely, 21310430428 is an apocalyptic number.

It is an amenable number.

1310430428 is a deficient number, since it is larger than the sum of its proper divisors (1086499492).

1310430428 is a wasteful number, since it uses less digits than its factorization.

1310430428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23657 (or 23655 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1310430428 is about 36199.8677898138. The cubic root of 1310430428 is about 1094.3040073015.

Adding to 1310430428 its reverse (8240340131), we get a palindrome (9550770559).

The spelling of 1310430428 in words is "one billion, three hundred ten million, four hundred thirty thousand, four hundred twenty-eight".

Divisors: 1 2 4 23 46 92 619 1238 2476 14237 23011 28474 46022 56948 92044 529253 1058506 2117012 14243809 28487618 56975236 327607607 655215214 1310430428