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20038704 = 2437232593
BaseRepresentation
bin100110001110…
…0010000110000
31101201001221020
41030130100300
520112214304
61553255440
7332216610
oct114342060
941631836
1020038704
1110347414
126864580
1341c7c2a
142938a40
151b5c5d9
hex131c430

20038704 has 80 divisors (see below), whose sum is σ = 61757952. Its totient is φ = 5474304.

The previous prime is 20038687. The next prime is 20038723. The reversal of 20038704 is 40783002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6432 + ... + 9024.

Almost surely, 220038704 is an apocalyptic number.

20038704 is a gapful number since it is divisible by the number (24) 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 20038704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30878976).

20038704 is an abundant number, since it is smaller than the sum of its proper divisors (41719248).

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

20038704 is a wasteful number, since it uses less digits than its factorization.

20038704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20038704 is about 4476.4611022548. The cubic root of 20038704 is about 271.6167468633.

The spelling of 20038704 in words is "twenty million, thirty-eight thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 56 69 84 92 112 138 161 168 184 276 322 336 368 483 552 644 966 1104 1288 1932 2576 2593 3864 5186 7728 7779 10372 15558 18151 20744 31116 36302 41488 54453 59639 62232 72604 108906 119278 124464 145208 178917 217812 238556 290416 357834 417473 435624 477112 715668 834946 871248 954224 1252419 1431336 1669892 2504838 2862672 3339784 5009676 6679568 10019352 20038704