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42077532 = 2237500923
BaseRepresentation
bin1010000010000…
…0110101011100
32221011202112010
42200200311130
541232440112
64101511220
71020440010
oct240406534
987152463
1042077532
112182a522
1212112510
138943363
145834540
153a6263c
hex2820d5c

42077532 has 24 divisors (see below), whose sum is σ = 112206976. Its totient is φ = 12022128.

The previous prime is 42077531. The next prime is 42077551. The reversal of 42077532 is 23577024.

It is a super-2 number, since 2×420775322 = 3541037398422048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42077532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42077531) 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, 250378 + ... + 250545.

Almost surely, 242077532 is an apocalyptic number.

42077532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42077532 is an abundant number, since it is smaller than the sum of its proper divisors (70129444).

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

42077532 is a wasteful number, since it uses less digits than its factorization.

42077532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500937 (or 500935 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 42077532 is about 6486.7196640521. The cubic root of 42077532 is about 347.8164245151.

The spelling of 42077532 in words is "forty-two million, seventy-seven thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 500923 1001846 1502769 2003692 3005538 3506461 6011076 7012922 10519383 14025844 21038766 42077532