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1214245417 = 7111723311301
BaseRepresentation
bin100100001011111…
…1110101000101001
310010121211001120111
41020113332220221
54441321323132
6320253254321
742042626050
oct11027765051
93117731514
101214245417
11573456610
1229a7943a1
13164741518
14b739b397
1571901647
hex485fea29

1214245417 has 64 divisors (see below), whose sum is σ = 1727889408. Its totient is φ = 823680000.

The previous prime is 1214245367. The next prime is 1214245421. The reversal of 1214245417 is 7145424121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1214245417 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1214242417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932667 + ... + 933967.

It is an arithmetic number, because the mean of its divisors is an integer number (26998272).

Almost surely, 21214245417 is an apocalyptic number.

1214245417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1214245417 is a deficient number, since it is larger than the sum of its proper divisors (513643991).

1214245417 is a wasteful number, since it uses less digits than its factorization.

1214245417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its digits is 8960, while the sum is 31.

The square root of 1214245417 is about 34846.0244073840. The cubic root of 1214245417 is about 1066.8470426191.

Adding to 1214245417 its reverse (7145424121), we get a palindrome (8359669538).

The spelling of 1214245417 in words is "one billion, two hundred fourteen million, two hundred forty-five thousand, four hundred seventeen".

Divisors: 1 7 11 17 23 31 77 119 161 187 217 253 341 391 527 713 1301 1309 1771 2387 2737 3689 4301 4991 5797 7843 9107 12121 14311 22117 29923 30107 40331 40579 54901 84847 100177 133331 154819 209461 243287 282317 329153 443641 508691 685627 927613 933317 1703009 2304071 3105487 3560837 4799389 5595601 6493291 7541897 10203743 15769421 39169207 52793279 71426201 110385947 173463631 1214245417