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74031244 = 22713120183
BaseRepresentation
bin1000110100110…
…10000010001100
312011022011202221
410122122002030
5122422444434
611202425124
71556153350
oct432320214
9164264687
1074031244
1138874851
12209621a4
1312450691
149b91460
1567752b4
hex469a08c

74031244 has 24 divisors (see below), whose sum is σ = 149200128. Its totient is φ = 31483920.

The previous prime is 74031241. The next prime is 74031257. The reversal of 74031244 is 44213047.

It is not an unprimeable number, because it can be changed into a prime (74031241) 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, 6424 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (6216672).

Almost surely, 274031244 is an apocalyptic number.

It is an amenable number.

74031244 is an abundant number, since it is smaller than the sum of its proper divisors (75168884).

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

74031244 is a wasteful number, since it uses less digits than its factorization.

74031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20325 (or 20323 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 74031244 is about 8604.1410960072. The cubic root of 74031244 is about 419.8927239247.

The spelling of 74031244 in words is "seventy-four million, thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 131 262 524 917 1834 3668 20183 40366 80732 141281 282562 565124 2643973 5287946 10575892 18507811 37015622 74031244