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1293630 = 2351331107
BaseRepresentation
bin100111011110100111110
32102201112020
410323310332
5312344010
643421010
713665342
oct4736476
92381466
101293630
11803a18
12524766
13363a80
14259622
151a8470
hex13bd3e

1293630 has 64 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 305280.

The previous prime is 1293619. The next prime is 1293647. The reversal of 1293630 is 363921.

It is a self number, because there is not a number n which added to its sum of digits gives 1293630.

It is a congruent number.

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, 12037 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

21293630 is an apocalyptic number.

1293630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1293630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824).

1293630 is an abundant number, since it is smaller than the sum of its proper divisors (2190018).

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

1293630 is a wasteful number, since it uses less digits than its factorization.

1293630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1293630 is about 1137.3785649466. The cubic root of 1293630 is about 108.9607355140.

The spelling of 1293630 in words is "one million, two hundred ninety-three thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 107 130 155 186 195 214 310 321 390 403 465 535 642 806 930 1070 1209 1391 1605 2015 2418 2782 3210 3317 4030 4173 6045 6634 6955 8346 9951 12090 13910 16585 19902 20865 33170 41730 43121 49755 86242 99510 129363 215605 258726 431210 646815 1293630