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74149053 = 31117132173
BaseRepresentation
bin1000110101101…
…10110010111101
312011112011101020
410122312302331
5122440232203
611205134353
71560153666
oct432666275
9164464336
1074149053
1138945310
12209ba3b9
13124921a4
149bc236d
15679a153
hex46b6cbd

74149053 has 16 divisors (see below), whose sum is σ = 114198336. Its totient is φ = 42295040.

The previous prime is 74149037. The next prime is 74149091. The reversal of 74149053 is 35094147.

It is a cyclic number.

It is not a de Polignac number, because 74149053 - 24 = 74149037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74149753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65526 + ... + 66647.

It is an arithmetic number, because the mean of its divisors is an integer number (7137396).

Almost surely, 274149053 is an apocalyptic number.

It is an amenable number.

74149053 is a deficient number, since it is larger than the sum of its proper divisors (40049283).

74149053 is a wasteful number, since it uses less digits than its factorization.

74149053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132204.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 74149053 is about 8610.9844384948. The cubic root of 74149053 is about 420.1153368050.

It can be divided in two parts, 741 and 49053, that added together give a palindrome (49794).

The spelling of 74149053 in words is "seventy-four million, one hundred forty-nine thousand, fifty-three".

Divisors: 1 3 11 17 33 51 187 561 132173 396519 1453903 2246941 4361709 6740823 24716351 74149053