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930145827 = 313113211061
BaseRepresentation
bin110111011100001…
…110011000100011
32101211020022012110
4313130032120203
53401104131302
6232144130403
732023052262
oct6734163043
92354208173
10930145827
11438052366
1221b606a03
1311a91cb60
148b7665d9
15569d3b6c
hex3770e623

930145827 has 16 divisors (see below), whose sum is σ = 1347419808. Its totient is φ = 567329280.

The previous prime is 930145823. The next prime is 930145861. The reversal of 930145827 is 728541039.

It is not a de Polignac number, because 930145827 - 22 = 930145823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (930145823) 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, 101124 + ... + 109937.

It is an arithmetic number, because the mean of its divisors is an integer number (84213738).

Almost surely, 2930145827 is an apocalyptic number.

930145827 is a deficient number, since it is larger than the sum of its proper divisors (417273981).

930145827 is a wasteful number, since it uses less digits than its factorization.

930145827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211190.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 930145827 is about 30498.2921980887. The cubic root of 930145827 is about 976.1510235454.

The spelling of 930145827 in words is "nine hundred thirty million, one hundred forty-five thousand, eight hundred twenty-seven".

Divisors: 1 3 13 39 113 339 1469 4407 211061 633183 2743793 8231379 23849893 71549679 310048609 930145827