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4428142872 = 233370149853
BaseRepresentation
bin1000001111111000…
…00001100100011000
3102102121022222001120
410013330001210120
533032101032442
62011222245240
7214506410346
oct40774014430
912377288046
104428142872
11197263130a
12a36b86820
135575378aa
14300162996
151adb474ec
hex107f01918

4428142872 has 32 divisors (see below), whose sum is σ = 11073570480. Its totient is φ = 1475619200.

The previous prime is 4428142837. The next prime is 4428142883. The reversal of 4428142872 is 2782418244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63898 + ... + 113750.

Almost surely, 24428142872 is an apocalyptic number.

It is an amenable number.

4428142872 is an abundant number, since it is smaller than the sum of its proper divisors (6645427608).

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

4428142872 is a wasteful number, since it uses less digits than its factorization.

4428142872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53563 (or 53559 counting only the distinct ones).

The product of its digits is 229376, while the sum is 42.

The square root of 4428142872 is about 66544.2925576642. The cubic root of 4428142872 is about 1642.1287634734.

It can be divided in two parts, 44281 and 42872, that added together give a triangular number (87153 = T417).

The spelling of 4428142872 in words is "four billion, four hundred twenty-eight million, one hundred forty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 3701 7402 11103 14804 22206 29608 44412 49853 88824 99706 149559 199412 299118 398824 598236 1196472 184505953 369011906 553517859 738023812 1107035718 1476047624 2214071436 4428142872