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40050570 = 2357190717
BaseRepresentation
bin1001100011000…
…1111110001010
32210100210001110
42120301332022
540223104240
63550231150
7664265340
oct230617612
983323043
1040050570
112067564a
12114b54b6
1383b3881
145467990
1537b1c80
hex2631f8a

40050570 has 32 divisors (see below), whose sum is σ = 109853568. Its totient is φ = 9154368.

The previous prime is 40050559. The next prime is 40050601. The reversal of 40050570 is 7505004.

40050570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95149 + ... + 95568.

It is an arithmetic number, because the mean of its divisors is an integer number (3432924).

Almost surely, 240050570 is an apocalyptic number.

40050570 is an abundant number, since it is smaller than the sum of its proper divisors (69802998).

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

40050570 is a wasteful number, since it uses less digits than its factorization.

40050570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190734.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 40050570 is about 6328.5519670775. The cubic root of 40050570 is about 342.1392511151.

Adding to 40050570 its reverse (7505004), we get a palindrome (47555574).

The spelling of 40050570 in words is "forty million, fifty thousand, five hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 190717 381434 572151 953585 1144302 1335019 1907170 2670038 2860755 4005057 5721510 6675095 8010114 13350190 20025285 40050570