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1394680 = 235717293
BaseRepresentation
bin101010100011111111000
32121212010211
411110133320
5324112210
645520504
714566060
oct5243770
92555124
101394680
11872931
12573134
1339aa71
142843a0
151c838a
hex1547f8

1394680 has 64 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 448512.

The previous prime is 1394671. The next prime is 1394681. The reversal of 1394680 is 864931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4614 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

21394680 is an apocalyptic number.

1394680 is a gapful number since it is divisible by the number (10) 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 1394680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905120).

1394680 is an abundant number, since it is smaller than the sum of its proper divisors (2415560).

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

1394680 is a wasteful number, since it uses less digits than its factorization.

1394680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1394680 is about 1180.9657065300. The cubic root of 1394680 is about 111.7270137415.

The spelling of 1394680 in words is "one million, three hundred ninety-four thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 293 340 476 586 595 680 952 1172 1190 1465 2051 2344 2380 2930 4102 4760 4981 5860 8204 9962 10255 11720 16408 19924 20510 24905 34867 39848 41020 49810 69734 82040 99620 139468 174335 199240 278936 348670 697340 1394680