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74230133 = 365920287
BaseRepresentation
bin1000110110010…
…10100101110101
312011200021121012
410123022211311
5123000331013
611211002005
71560642245
oct433124565
9164607535
1074230133
11389a021a
1220a39305
13124c0073
149c03b25
1567b41a8
hex46ca975

74230133 has 4 divisors (see below), whose sum is σ = 74254080. Its totient is φ = 74206188.

The previous prime is 74230129. The next prime is 74230181. The reversal of 74230133 is 33103247.

It is a happy number.

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 not a de Polignac number, because 74230133 - 22 = 74230129 is a prime.

It is a super-2 number, since 2×742301332 = 11020225290395378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74230099 and 74230108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74250133) 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, 6485 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (18563520).

Almost surely, 274230133 is an apocalyptic number.

It is an amenable number.

74230133 is a deficient number, since it is larger than the sum of its proper divisors (23947).

74230133 is a wasteful number, since it uses less digits than its factorization.

74230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23946.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 74230133 is about 8615.6910924197. The cubic root of 74230133 is about 420.2684093080.

The spelling of 74230133 in words is "seventy-four million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3659 20287 74230133