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74149300 = 2252741493
BaseRepresentation
bin1000110101101…
…10110110110100
312011112011201101
410122312312310
5122440234200
611205135444
71560154501
oct432666664
9164464641
1074149300
1138945515
12209ba584
1312492334
149bc24a8
15679a26a
hex46b6db4

74149300 has 18 divisors (see below), whose sum is σ = 160904198. Its totient is φ = 29659680.

The previous prime is 74149297. The next prime is 74149301. The reversal of 74149300 is 394147.

It can be written as a sum of positive squares in 3 ways, for example, as 20830096 + 53319204 = 4564^2 + 7302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74149301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370647 + ... + 370846.

Almost surely, 274149300 is an apocalyptic number.

It is an amenable number.

74149300 is an abundant number, since it is smaller than the sum of its proper divisors (86754898).

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

74149300 is a wasteful number, since it uses less digits than its factorization.

74149300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741507 (or 741500 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 74149300 is about 8610.9987806293. The cubic root of 74149300 is about 420.1158032905.

The spelling of 74149300 in words is "seventy-four million, one hundred forty-nine thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 741493 1482986 2965972 3707465 7414930 14829860 18537325 37074650 74149300