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13705470 = 2335232207
BaseRepresentation
bin110100010010…
…000011111110
3221210022101000
4310102003332
512002033340
61205431130
7224331432
oct64220376
927708330
1013705470
117811139
12470b4a6
132abb35c
141b6a9c2
15130ad30
hexd120fe

13705470 has 64 divisors (see below), whose sum is σ = 38154240. Its totient is φ = 3494304.

The previous prime is 13705469. The next prime is 13705507. The reversal of 13705470 is 7450731.

13705470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 5107 + ... + 7313.

It is an arithmetic number, because the mean of its divisors is an integer number (596160).

Almost surely, 213705470 is an apocalyptic number.

13705470 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 13705470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19077120).

13705470 is an abundant number, since it is smaller than the sum of its proper divisors (24448770).

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

13705470 is a wasteful number, since it uses less digits than its factorization.

13705470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13705470 is about 3702.0899502848. The cubic root of 13705470 is about 239.3120926483.

The spelling of 13705470 in words is "thirteen million, seven hundred five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 90 115 135 138 207 230 270 345 414 621 690 1035 1242 2070 2207 3105 4414 6210 6621 11035 13242 19863 22070 33105 39726 50761 59589 66210 99315 101522 119178 152283 198630 253805 297945 304566 456849 507610 595890 761415 913698 1370547 1522830 2284245 2741094 4568490 6852735 13705470