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38290630 = 25717231399
BaseRepresentation
bin1001001000010…
…0010011000110
32200001100212111
42102010103012
534300300010
63444411234
7643315330
oct222042306
980040774
1038290630
111a683354
12109a6b1a
137c187a1
14512a450
15356558a
hex24844c6

38290630 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 11810304.

The previous prime is 38290591. The next prime is 38290633. The reversal of 38290630 is 3609283.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38290592 and 38290601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38290633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26671 + ... + 28069.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 238290630 is an apocalyptic number.

38290630 is an abundant number, since it is smaller than the sum of its proper divisors (48800570).

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

38290630 is a wasteful number, since it uses less digits than its factorization.

38290630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 38290630 is about 6187.9423074234. The cubic root of 38290630 is about 337.0524621370.

The spelling of 38290630 in words is "thirty-eight million, two hundred ninety thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 17 23 34 35 46 70 85 115 119 161 170 230 238 322 391 595 782 805 1190 1399 1610 1955 2737 2798 3910 5474 6995 9793 13685 13990 19586 23783 27370 32177 47566 48965 64354 97930 118915 160885 166481 225239 237830 321770 332962 450478 547009 832405 1094018 1126195 1664810 2252390 2735045 3829063 5470090 7658126 19145315 38290630