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40285672 = 2375989137
BaseRepresentation
bin1001100110101…
…1010111101000
32210210201112221
42121223113220
540303120142
63555243424
7666264640
oct231532750
983721487
1040285672
1120816249
12115a9574
13846689b
1454c9520
15380b767
hex266b5e8

40285672 has 64 divisors (see below), whose sum is σ = 89424000. Its totient is φ = 16659456.

The previous prime is 40285667. The next prime is 40285691. The reversal of 40285672 is 27658204.

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, 293988 + ... + 294124.

It is an arithmetic number, because the mean of its divisors is an integer number (1397250).

Almost surely, 240285672 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 40285672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44712000).

40285672 is an abundant number, since it is smaller than the sum of its proper divisors (49138328).

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

40285672 is a wasteful number, since it uses less digits than its factorization.

40285672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40285672 is about 6347.0994950450. The cubic root of 40285672 is about 342.8074125623.

The spelling of 40285672 in words is "forty million, two hundred eighty-five thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 59 89 118 137 178 236 274 356 413 472 548 623 712 826 959 1096 1246 1652 1918 2492 3304 3836 4984 5251 7672 8083 10502 12193 16166 21004 24386 32332 36757 42008 48772 56581 64664 73514 85351 97544 113162 147028 170702 226324 294056 341404 452648 682808 719387 1438774 2877548 5035709 5755096 10071418 20142836 40285672