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40233030 = 2351341101
BaseRepresentation
bin1001100101111…
…0100001000110
32210201001100020
42121132201012
540244424110
63554200010
7665655315
oct231364106
983631306
1040233030
112078a742
1211583006
138448936
1454b427c
1537ead70
hex265e846

40233030 has 16 divisors (see below), whose sum is σ = 96559344. Its totient is φ = 10728800.

The previous prime is 40233007. The next prime is 40233077. The reversal of 40233030 is 3033204.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670521 + ... + 670580.

It is an arithmetic number, because the mean of its divisors is an integer number (6034959).

Almost surely, 240233030 is an apocalyptic number.

40233030 is an abundant number, since it is smaller than the sum of its proper divisors (56326314).

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

40233030 is a wasteful number, since it uses less digits than its factorization.

40233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341111.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 40233030 is about 6342.9512058662. The cubic root of 40233030 is about 342.6580299737.

Adding to 40233030 its reverse (3033204), we get a palindrome (43266234).

The spelling of 40233030 in words is "forty million, two hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1341101 2682202 4023303 6705505 8046606 13411010 20116515 40233030