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74124101 = 233222787
BaseRepresentation
bin1000110101100…
…00101101000101
312011110220011002
410122300231011
5122433432401
611204423045
71560021152
oct432605505
9164426132
1074124101
1138928597
12209a7a85
1312483a1c
149bb7229
156792a6b
hex46b0b45

74124101 has 4 divisors (see below), whose sum is σ = 77346912. Its totient is φ = 70901292.

The previous prime is 74124077. The next prime is 74124103. The reversal of 74124101 is 10142147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74124101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74124103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611371 + ... + 1611416.

It is an arithmetic number, because the mean of its divisors is an integer number (19336728).

Almost surely, 274124101 is an apocalyptic number.

It is an amenable number.

74124101 is a deficient number, since it is larger than the sum of its proper divisors (3222811).

74124101 is a wasteful number, since it uses less digits than its factorization.

74124101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222810.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 74124101 is about 8609.5354694664. The cubic root of 74124101 is about 420.0682069878.

Adding to 74124101 its reverse (10142147), we get a palindrome (84266248).

It can be divided in two parts, 741 and 24101, that added together give a palindrome (24842).

The spelling of 74124101 in words is "seventy-four million, one hundred twenty-four thousand, one hundred one".

Divisors: 1 23 3222787 74124101