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16361380 = 2257116867
BaseRepresentation
bin111110011010…
…011110100100
31010210020121001
4332122132210
513142031010
61342403044
7256032550
oct76323644
933706531
1016361380
119265602
125590484
13350b1b9
14225c860
151682c3a
hexf9a7a4

16361380 has 24 divisors (see below), whose sum is σ = 39267648. Its totient is φ = 5609568.

The previous prime is 16361369. The next prime is 16361381. The reversal of 16361380 is 8316361.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (16361381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58294 + ... + 58573.

It is an arithmetic number, because the mean of its divisors is an integer number (1636152).

Almost surely, 216361380 is an apocalyptic number.

16361380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16361380 is an abundant number, since it is smaller than the sum of its proper divisors (22906268).

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

16361380 is a wasteful number, since it uses less digits than its factorization.

16361380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116883 (or 116881 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16361380 is about 4044.9202711549. The cubic root of 16361380 is about 253.8672296786.

The spelling of 16361380 in words is "sixteen million, three hundred sixty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 116867 233734 467468 584335 818069 1168670 1636138 2337340 3272276 4090345 8180690 16361380