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40123374 = 236687229
BaseRepresentation
bin1001100100001…
…1101111101110
32210111110220220
42121003233232
540232421444
63551552210
7665020524
oct231035756
983443826
1040123374
1120715315
121152b666
13840aa55
145486314
1537c8619
hex2643bee

40123374 has 8 divisors (see below), whose sum is σ = 80246760. Its totient is φ = 13374456.

The previous prime is 40123351. The next prime is 40123399. The reversal of 40123374 is 47332104.

It is a sphenic number, since it is the product of 3 distinct primes.

40123374 is an admirable number.

It is a super-2 number, since 2×401233742 = 3219770282287752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343609 + ... + 3343620.

It is an arithmetic number, because the mean of its divisors is an integer number (10030845).

Almost surely, 240123374 is an apocalyptic number.

40123374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40123374 is a wasteful number, since it uses less digits than its factorization.

40123374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687234.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40123374 is about 6334.3013821573. The cubic root of 40123374 is about 342.3464394105.

Adding to 40123374 its reverse (47332104), we get a palindrome (87455478).

The spelling of 40123374 in words is "forty million, one hundred twenty-three thousand, three hundred seventy-four".

Divisors: 1 2 3 6 6687229 13374458 20061687 40123374