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40787101 = 615711171
BaseRepresentation
bin1001101110010…
…1110010011101
32211202012101101
42123211302131
540420141401
64014113101
71003453555
oct233456235
984665341
1040787101
1121028a53
12117ab791
1385b0ba4
1455ba165
1538aa101
hex26e5c9d

40787101 has 8 divisors (see below), whose sum is σ = 41563808. Its totient is φ = 40014000.

The previous prime is 40787069. The next prime is 40787107. The reversal of 40787101 is 10178704.

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

It is a cyclic number.

It is not a de Polignac number, because 40787101 - 25 = 40787069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40787101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40787107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34246 + ... + 35416.

It is an arithmetic number, because the mean of its divisors is an integer number (5195476).

Almost surely, 240787101 is an apocalyptic number.

It is an amenable number.

40787101 is a deficient number, since it is larger than the sum of its proper divisors (776707).

40787101 is a wasteful number, since it uses less digits than its factorization.

40787101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 40787101 is about 6386.4779808592. The cubic root of 40787101 is about 344.2238408169.

The spelling of 40787101 in words is "forty million, seven hundred eighty-seven thousand, one hundred one".

Divisors: 1 61 571 1171 34831 71431 668641 40787101