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42492465 = 3353747181
BaseRepresentation
bin1010001000011…
…0001000110001
32221221211201000
42202012020301
541334224330
64114432213
71024115511
oct242061061
987854630
1042492465
1121a93244
1212292669
138a5a192
145901841
153ae5560
hex2886231

42492465 has 64 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 21461760.

The previous prime is 42492421. The next prime is 42492467. The reversal of 42492465 is 56429424.

It is not a de Polignac number, because 42492465 - 211 = 42490417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42492467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234675 + ... + 234855.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 242492465 is an apocalyptic number.

42492465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42492465 is a deficient number, since it is larger than the sum of its proper divisors (37179855).

42492465 is a wasteful number, since it uses less digits than its factorization.

42492465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 273 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42492465 is about 6518.6244714664. The cubic root of 42492465 is about 348.9559772936.

The spelling of 42492465 in words is "forty-two million, four hundred ninety-two thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 27 37 45 47 111 135 141 181 185 235 333 423 543 555 705 905 999 1269 1629 1665 1739 2115 2715 4887 4995 5217 6345 6697 8145 8507 8695 15651 20091 24435 25521 26085 33485 42535 46953 60273 76563 78255 100455 127605 180819 229689 234765 301365 314759 382815 904095 944277 1148445 1573795 2832831 4721385 8498493 14164155 42492465