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1214207904 = 253713236043
BaseRepresentation
bin100100001011111…
…0101011110100000
310010121202011010010
41020113311132200
54441314123104
6320252404520
742042411510
oct11027653640
93117664103
101214207904
11573430408
1229a776740
1316472a420
14b738b840
15718e5489
hex485f57a0

1214207904 has 192 divisors, whose sum is σ = 4094060544. Its totient is φ = 306256896.

The previous prime is 1214207893. The next prime is 1214207923. The reversal of 1214207904 is 4097024121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197907 + ... + 203949.

It is an arithmetic number, because the mean of its divisors is an integer number (21323232).

Almost surely, 21214207904 is an apocalyptic number.

1214207904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214207904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047030272).

1214207904 is an abundant number, since it is smaller than the sum of its proper divisors (2879852640).

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

1214207904 is a wasteful number, since it uses less digits than its factorization.

1214207904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099 (or 6091 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1214207904 is about 34845.4861352227. The cubic root of 1214207904 is about 1066.8360560852.

The spelling of 1214207904 in words is "one billion, two hundred fourteen million, two hundred seven thousand, nine hundred four".