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40713030 = 234550263
BaseRepresentation
bin1001101101001…
…1101101000110
32211121102210000
42123103231012
540410304110
64012342130
71003024611
oct233235506
984542700
1040713030
1120a88336
1211774946
138586267
14559b178
1538931c0
hex26d3b46

40713030 has 40 divisors (see below), whose sum is σ = 109474992. Its totient is φ = 10856592.

The previous prime is 40713017. The next prime is 40713031. The reversal of 40713030 is 3031704.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40712994 and 40713012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40713031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24322 + ... + 25941.

Almost surely, 240713030 is an apocalyptic number.

40713030 is an abundant number, since it is smaller than the sum of its proper divisors (68761962).

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

40713030 is a wasteful number, since it uses less digits than its factorization.

40713030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50282 (or 50273 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 40713030 is about 6380.6762964438. The cubic root of 40713030 is about 344.0153398153.

Adding to 40713030 its reverse (3031704), we get a palindrome (43744734).

The spelling of 40713030 in words is "forty million, seven hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 50263 100526 150789 251315 301578 452367 502630 753945 904734 1357101 1507890 2261835 2714202 4071303 4523670 6785505 8142606 13571010 20356515 40713030