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1214330940 = 22345749587
BaseRepresentation
bin100100001100001…
…0011100000111100
310010121222101220000
41020120103200330
54441332042230
6320255154300
742043433304
oct11030234074
93117871800
101214330940
11573504899
1229a815990
13164771424
14b73c0604
157191bb60
hex4861383c

1214330940 has 60 divisors (see below), whose sum is σ = 3809406216. Its totient is φ = 323821152.

The previous prime is 1214330939. The next prime is 1214330941. The reversal of 1214330940 is 490334121.

It is an interprime number because it is at equal distance from previous prime (1214330939) and next prime (1214330941).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214330941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373174 + ... + 376413.

Almost surely, 21214330940 is an apocalyptic number.

1214330940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214330940 is an abundant number, since it is smaller than the sum of its proper divisors (2595075276).

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

1214330940 is a wasteful number, since it uses less digits than its factorization.

1214330940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749608 (or 749597 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1214330940 is about 34847.2515415492. The cubic root of 1214330940 is about 1066.8720891257.

The spelling of 1214330940 in words is "one billion, two hundred fourteen million, three hundred thirty thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 749587 1499174 2248761 2998348 3747935 4497522 6746283 7495870 8995044 11243805 13492566 14991740 20238849 22487610 26985132 33731415 40477698 44975220 60716547 67462830 80955396 101194245 121433094 134925660 202388490 242866188 303582735 404776980 607165470 1214330940