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42077370 = 2352635333
BaseRepresentation
bin1010000010000…
…0110010111010
32221011202022010
42200200302322
541232433440
64101510350
71020436356
oct240406272
987152263
1042077370
112182a395
12121123b6
13894326a
145834466
153a62580
hex2820cba

42077370 has 32 divisors (see below), whose sum is σ = 101388672. Its totient is φ = 11175872.

The previous prime is 42077359. The next prime is 42077377. The reversal of 42077370 is 7377024.

It is a happy number.

It is a super-2 number, since 2×420773702 = 3541010132233800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42077377) 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, 5224 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (3168396).

Almost surely, 242077370 is an apocalyptic number.

42077370 is an abundant number, since it is smaller than the sum of its proper divisors (59311302).

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

42077370 is a wasteful number, since it uses less digits than its factorization.

42077370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 42077370 is about 6486.7071769890. The cubic root of 42077370 is about 347.8159781460.

The spelling of 42077370 in words is "forty-two million, seventy-seven thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 263 526 789 1315 1578 2630 3945 5333 7890 10666 15999 26665 31998 53330 79995 159990 1402579 2805158 4207737 7012895 8415474 14025790 21038685 42077370