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3142330428 = 2231930744893
BaseRepresentation
bin1011101101001100…
…0010100000111100
322002222211220222110
42323103002200330
522413414033203
61235451014020
7140604240126
oct27323024074
98088756873
103142330428
1113728443a6
1273843a310
133b1029523
1421b496216
15135d0ad03
hexbb4c283c

3142330428 has 48 divisors (see below), whose sum is σ = 7743317120. Its totient is φ = 989060544.

The previous prime is 3142330427. The next prime is 3142330441. The reversal of 3142330428 is 8240332413.

It is a super-4 number, since 4×31423304284 (a number of 39 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3142330395 and 3142330404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142330421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47550 + ... + 92442.

Almost surely, 23142330428 is an apocalyptic number.

3142330428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3142330428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3871658560).

3142330428 is an abundant number, since it is smaller than the sum of its proper divisors (4600986692).

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

3142330428 is a wasteful number, since it uses less digits than its factorization.

3142330428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45226 (or 45224 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 3142330428 is about 56056.4931832165. The cubic root of 3142330428 is about 1464.7065272747.

The spelling of 3142330428 in words is "three billion, one hundred forty-two million, three hundred thirty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 307 614 921 1228 1842 3684 5833 11666 17499 23332 34998 44893 69996 89786 134679 179572 269358 538716 852967 1705934 2558901 3411868 5117802 10235604 13782151 27564302 41346453 55128604 82692906 165385812 261860869 523721738 785582607 1047443476 1571165214 3142330428