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3142423220 = 225267758693
BaseRepresentation
bin1011101101001101…
…1001001010110100
322010000000122021012
42323103121022310
522413430020340
61235453011352
7140605104506
oct27323311264
98100018235
103142423220
1113728a8092
12738483b58
133b105c831
1421b4bbd76
15135d28565
hexbb4d92b4

3142423220 has 24 divisors (see below), whose sum is σ = 6601666344. Its totient is φ = 1256478336.

The previous prime is 3142423181. The next prime is 3142423237. The reversal of 3142423220 is 223242413.

It can be written as a sum of positive squares in 4 ways, for example, as 1493284 + 3140929936 = 1222^2 + 56044^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24194 + ... + 82886.

It is an arithmetic number, because the mean of its divisors is an integer number (275069431).

Almost surely, 23142423220 is an apocalyptic number.

It is an amenable number.

3142423220 is an abundant number, since it is smaller than the sum of its proper divisors (3459243124).

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

3142423220 is a wasteful number, since it uses less digits than its factorization.

3142423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61379 (or 61377 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3142423220 is about 56057.3208421523. The cubic root of 3142423220 is about 1464.7209445693.

Adding to 3142423220 its reverse (223242413), we get a palindrome (3365665633).

The spelling of 3142423220 in words is "three billion, one hundred forty-two million, four hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2677 5354 10708 13385 26770 53540 58693 117386 234772 293465 586930 1173860 157121161 314242322 628484644 785605805 1571211610 3142423220