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42629272 = 2371017537
BaseRepresentation
bin1010001010011…
…1100010011000
32222012210100221
42202213202120
541403114042
64121405424
71025225410
oct242474230
988183327
1042629272
1122077004
1212339874
138aa752a
145939640
153b20d67
hex28a7898

42629272 has 32 divisors (see below), whose sum is σ = 92265120. Its totient is φ = 18086400.

The previous prime is 42629267. The next prime is 42629287. The reversal of 42629272 is 27292624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888 + ... + 9424.

It is an arithmetic number, because the mean of its divisors is an integer number (2883285).

Almost surely, 242629272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42629272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46132560).

42629272 is an abundant number, since it is smaller than the sum of its proper divisors (49635848).

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

42629272 is a wasteful number, since it uses less digits than its factorization.

42629272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651 (or 7647 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 42629272 is about 6529.1095870723. The cubic root of 42629272 is about 349.3300708991.

The spelling of 42629272 in words is "forty-two million, six hundred twenty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 101 202 404 707 808 1414 2828 5656 7537 15074 30148 52759 60296 105518 211036 422072 761237 1522474 3044948 5328659 6089896 10657318 21314636 42629272