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42332052 = 22372321911
BaseRepresentation
bin1010000101111…
…0111110010100
32221122200122210
42201132332110
541314111202
64111153420
71022550030
oct241367624
987580583
1042332052
1121993774
1212215870
138a02169
14589d1c0
153ab2c6c
hex285ef94

42332052 has 48 divisors (see below), whose sum is σ = 117798912. Its totient is φ = 11568480.

The previous prime is 42332047. The next prime is 42332053. The reversal of 42332052 is 25023324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42332053) 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, 9024 + ... + 12887.

It is an arithmetic number, because the mean of its divisors is an integer number (2454144).

Almost surely, 242332052 is an apocalyptic number.

42332052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42332052 is an abundant number, since it is smaller than the sum of its proper divisors (75466860).

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

42332052 is a wasteful number, since it uses less digits than its factorization.

42332052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21948 (or 21946 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42332052 is about 6506.3086308597. The cubic root of 42332052 is about 348.5163098306.

Adding to 42332052 its reverse (25023324), we get a palindrome (67355376).

The spelling of 42332052 in words is "forty-two million, three hundred thirty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 21911 43822 65733 87644 131466 153377 262932 306754 460131 503953 613508 920262 1007906 1511859 1840524 2015812 3023718 3527671 6047436 7055342 10583013 14110684 21166026 42332052