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1430010309 = 371313813793
BaseRepresentation
bin101010100111100…
…0011100111000101
310200122211001100210
41111033003213011
510412040312214
6353522030033
750302613160
oct12517034705
93618731323
101430010309
11674226a02
1233aaa8319
1319a358360
14d7cc4ad7
1585821b59
hex553c39c5

1430010309 has 32 divisors (see below), whose sum is σ = 2349001984. Its totient is φ = 753546240.

The previous prime is 1430010289. The next prime is 1430010353. The reversal of 1430010309 is 9030100341.

It is not a de Polignac number, because 1430010309 - 223 = 1421621701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430010409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375117 + ... + 378909.

It is an arithmetic number, because the mean of its divisors is an integer number (73406312).

Almost surely, 21430010309 is an apocalyptic number.

It is an amenable number.

1430010309 is a deficient number, since it is larger than the sum of its proper divisors (918991675).

1430010309 is a wasteful number, since it uses less digits than its factorization.

1430010309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1430010309 is about 37815.4771092472. The cubic root of 1430010309 is about 1126.6258786377.

The spelling of 1430010309 in words is "one billion, four hundred thirty million, ten thousand, three hundred nine".

Divisors: 1 3 7 13 21 39 91 273 1381 3793 4143 9667 11379 17953 26551 29001 49309 53859 79653 125671 147927 345163 377013 1035489 5238133 15714399 36666931 68095729 110000793 204287187 476670103 1430010309