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3145894990 = 257102144017
BaseRepresentation
bin1011101110000010…
…1000110001001110
322010020120000122021
42323200220301032
522420322114430
61240055240354
7140646444340
oct27340506116
98106500567
103145894990
111374859517
127396790ba
133b19a6b34
1421bb43290
151362b207a
hexbb828c4e

3145894990 has 32 divisors (see below), whose sum is σ = 6478041024. Its totient is φ = 1077511680.

The previous prime is 3145894957. The next prime is 3145895009. The reversal of 3145894990 is 994985413.

It is a congruent number.

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, 49462 + ... + 93478.

It is an arithmetic number, because the mean of its divisors is an integer number (202438782).

Almost surely, 23145894990 is an apocalyptic number.

3145894990 is an abundant number, since it is smaller than the sum of its proper divisors (3332146034).

3145894990 is a wasteful number, since it uses less digits than its factorization.

3145894990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45052.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 3145894990 is about 56088.2785437385. The cubic root of 3145894990 is about 1465.2601571785.

The spelling of 3145894990 in words is "three billion, one hundred forty-five million, eight hundred ninety-four thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 1021 2042 5105 7147 10210 14294 35735 44017 71470 88034 220085 308119 440170 616238 1540595 3081190 44941357 89882714 224706785 314589499 449413570 629178998 1572947495 3145894990