Search a number
-
+
1304220414 = 23741757387
BaseRepresentation
bin100110110111100…
…1101001011111110
310100220010021001210
41031233031023332
510132340023124
6333225545250
744214455610
oct11557151376
93326107053
101304220414
1160a220112
12304945226
1317a284c73
14c52dcdb0
1579775a29
hex4dbcd2fe

1304220414 has 32 divisors (see below), whose sum is σ = 3053788416. Its totient is φ = 363545280.

The previous prime is 1304220403. The next prime is 1304220431. The reversal of 1304220414 is 4140224031.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376972 + ... + 380415.

It is an arithmetic number, because the mean of its divisors is an integer number (95430888).

Almost surely, 21304220414 is an apocalyptic number.

1304220414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1304220414 is an abundant number, since it is smaller than the sum of its proper divisors (1749568002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304220414 is a wasteful number, since it uses less digits than its factorization.

1304220414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757440.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1304220414 is about 36113.9919421822. The cubic root of 1304220414 is about 1092.5726661935.

Adding to 1304220414 its reverse (4140224031), we get a palindrome (5444444445).

The spelling of 1304220414 in words is "one billion, three hundred four million, two hundred twenty thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 246 287 574 861 1722 757387 1514774 2272161 4544322 5301709 10603418 15905127 31052867 31810254 62105734 93158601 186317202 217370069 434740138 652110207 1304220414