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42625940 = 22572910499
BaseRepresentation
bin1010001010011…
…0101110010100
32222012121210112
42202212232110
541403012230
64121342152
71025212610
oct242465624
988177715
1042625940
1122074555
1212337958
138aa5b66
145938340
153b1ed95
hex28a6b94

42625940 has 48 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 14109312.

The previous prime is 42625897. The next prime is 42625991. The reversal of 42625940 is 4952624.

It is a junction number, because it is equal to n+sod(n) for n = 42625897 and 42625906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (2205000).

Almost surely, 242625940 is an apocalyptic number.

It is an amenable number.

42625940 is an abundant number, since it is smaller than the sum of its proper divisors (63214060).

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

42625940 is a wasteful number, since it uses less digits than its factorization.

42625940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544 (or 10542 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 42625940 is about 6528.8544171240. The cubic root of 42625940 is about 349.3209691867.

The spelling of 42625940 in words is "forty-two million, six hundred twenty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 10499 20998 41996 52495 73493 104990 146986 209980 293972 304471 367465 608942 734930 1217884 1469860 1522355 2131297 3044710 4262594 6089420 8525188 10656485 21312970 42625940