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1214451480 = 233511920039
BaseRepresentation
bin100100001100011…
…0000111100011000
310010122012112020110
41020120300330120
54441344421410
6320301524320
742044444604
oct11030607430
93118175213
101214451480
11573587410
1229a8736a0
131647b4258
14b7412504
1571942720
hex48630f18

1214451480 has 64 divisors (see below), whose sum is σ = 3974572800. Its totient is φ = 294412160.

The previous prime is 1214451467. The next prime is 1214451499. The reversal of 1214451480 is 841544121.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 458700 + ... + 461339.

It is an arithmetic number, because the mean of its divisors is an integer number (62102700).

Almost surely, 21214451480 is an apocalyptic number.

1214451480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214451480 is an abundant number, since it is smaller than the sum of its proper divisors (2760121320).

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

1214451480 is a wasteful number, since it uses less digits than its factorization.

1214451480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920064 (or 920060 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1214451480 is about 34848.9810467968. The cubic root of 1214451480 is about 1066.9073888128.

The spelling of 1214451480 in words is "one billion, two hundred fourteen million, four hundred fifty-one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 920039 1840078 2760117 3680156 4600195 5520234 7360312 9200390 10120429 11040468 13800585 18400780 20240858 22080936 27601170 30361287 36801560 40481716 50602145 55202340 60722574 80963432 101204290 110404680 121445148 151806435 202408580 242890296 303612870 404817160 607225740 1214451480