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42473256 = 2337252817
BaseRepresentation
bin1010001000000…
…1011100101000
32221220212100120
42202001130220
541333121011
64114203240
71024005510
oct242013450
987825316
1042473256
1121a7a871
1212283520
138a51507
1458d8840
153adea06
hex2881728

42473256 has 32 divisors (see below), whose sum is σ = 121352640. Its totient is φ = 12135168.

The previous prime is 42473251. The next prime is 42473261. The reversal of 42473256 is 65237424.

It is an interprime number because it is at equal distance from previous prime (42473251) and next prime (42473261).

It is not an unprimeable number, because it can be changed into a prime (42473251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126241 + ... + 126576.

It is an arithmetic number, because the mean of its divisors is an integer number (3792270).

Almost surely, 242473256 is an apocalyptic number.

It is an amenable number.

42473256 is an abundant number, since it is smaller than the sum of its proper divisors (78879384).

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

42473256 is a wasteful number, since it uses less digits than its factorization.

42473256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252833 (or 252829 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 42473256 is about 6517.1509112495. The cubic root of 42473256 is about 348.9033867485.

It can be divided in two parts, 4247 and 3256, that added together give a triangular number (7503 = T122).

The spelling of 42473256 in words is "forty-two million, four hundred seventy-three thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 252817 505634 758451 1011268 1516902 1769719 2022536 3033804 3539438 5309157 6067608 7078876 10618314 14157752 21236628 42473256