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3198090 = 235797157
BaseRepresentation
bin1100001100110010001010
320000110221210
430030302022
51304314330
6152313550
736116610
oct14146212
96013853
103198090
111894855
1210a28b6
1387c87c
145d36b0
154328b0
hex30cc8a

3198090 has 64 divisors (see below), whose sum is σ = 8918784. Its totient is φ = 718848.

The previous prime is 3198067. The next prime is 3198101. The reversal of 3198090 is 908913.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 20292 + ... + 20448.

It is an arithmetic number, because the mean of its divisors is an integer number (139356).

Almost surely, 23198090 is an apocalyptic number.

3198090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3198090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4459392).

3198090 is an abundant number, since it is smaller than the sum of its proper divisors (5720694).

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

3198090 is a wasteful number, since it uses less digits than its factorization.

3198090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3198090 is about 1788.3204410843. The cubic root of 3198090 is about 147.3319353598.

The spelling of 3198090 in words is "three million, one hundred ninety-eight thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 97 105 157 194 210 291 314 471 485 582 679 785 942 970 1099 1358 1455 1570 2037 2198 2355 2910 3297 3395 4074 4710 5495 6594 6790 10185 10990 15229 16485 20370 30458 32970 45687 76145 91374 106603 152290 213206 228435 319809 456870 533015 639618 1066030 1599045 3198090