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3890485213 = 233137891657
BaseRepresentation
bin1110011111100100…
…0001011111011101
3101001010122010101221
43213321001133131
530431431011323
61442014333341
7165260402326
oct34771013735
911033563357
103890485213
11171709413a
12906aba251
134a0029174
1428c9a744d
1517b84155d
hexe7e417dd

3890485213 has 32 divisors (see below), whose sum is σ = 4354836480. Its totient is φ = 3462497280.

The previous prime is 3890485199. The next prime is 3890485217. The reversal of 3890485213 is 3125840983.

It is not a de Polignac number, because 3890485213 - 221 = 3888388061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3890485213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890485217) 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, 2347081 + ... + 2348737.

It is an arithmetic number, because the mean of its divisors is an integer number (136088640).

Almost surely, 23890485213 is an apocalyptic number.

It is an amenable number.

3890485213 is a deficient number, since it is larger than the sum of its proper divisors (464351267).

3890485213 is a wasteful number, since it uses less digits than its factorization.

3890485213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 3890485213 is about 62373.7541999838. The cubic root of 3890485213 is about 1572.7798012038.

The spelling of 3890485213 in words is "three billion, eight hundred ninety million, four hundred eighty-five thousand, two hundred thirteen".

Divisors: 1 23 31 37 89 713 851 1147 1657 2047 2759 3293 26381 38111 51367 61309 63457 75739 102083 147473 1181441 1410107 1900579 2347909 3391879 4571663 5456501 43713317 105148249 125499523 169151531 3890485213