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42377477 = 234144939
BaseRepresentation
bin1010000110101…
…0000100000101
32221201222222012
42201222010011
541322034402
64112144005
71023126332
oct241520405
987658865
1042377477
1121a1490a
1212238005
138a19a3c
1458b1989
153ac1452
hex286a105

42377477 has 8 divisors (see below), whose sum is σ = 45299520. Its totient is φ = 39545440.

The previous prime is 42377459. The next prime is 42377507. The reversal of 42377477 is 77477324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42377477 - 224 = 25600261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42377177) 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, 21527 + ... + 23412.

It is an arithmetic number, because the mean of its divisors is an integer number (5662440).

Almost surely, 242377477 is an apocalyptic number.

It is an amenable number.

42377477 is a deficient number, since it is larger than the sum of its proper divisors (2922043).

42377477 is a wasteful number, since it uses less digits than its factorization.

42377477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45003.

The product of its digits is 230496, while the sum is 41.

The square root of 42377477 is about 6509.7985375893. The cubic root of 42377477 is about 348.6409253667.

The spelling of 42377477 in words is "forty-two million, three hundred seventy-seven thousand, four hundred seventy-seven".

Divisors: 1 23 41 943 44939 1033597 1842499 42377477