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74153268 = 223272127331
BaseRepresentation
bin1000110101101…
…11110100110100
312011112101011100
410122313310310
5122440401033
611205210100
71560202200
oct432676464
9164471140
1074153268
11389484a2
1220a00930
1312494097
149bc3b00
15679b513
hex46b7d34

74153268 has 108 divisors (see below), whose sum is σ = 220426752. Its totient is φ = 20956320.

The previous prime is 74153251. The next prime is 74153281. The reversal of 74153268 is 86235147.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 223863 + ... + 224193.

Almost surely, 274153268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74153268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110213376).

74153268 is an abundant number, since it is smaller than the sum of its proper divisors (146273484).

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

74153268 is a wasteful number, since it uses less digits than its factorization.

74153268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 470 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 74153268 is about 8611.2291805526. The cubic root of 74153268 is about 420.1232971341.

The spelling of 74153268 in words is "seventy-four million, one hundred fifty-three thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 127 147 196 252 254 294 331 381 441 508 588 662 762 882 889 993 1143 1324 1524 1764 1778 1986 2286 2317 2667 2979 3556 3972 4572 4634 5334 5958 6223 6951 8001 9268 10668 11916 12446 13902 16002 16219 18669 20853 24892 27804 32004 32438 37338 41706 42037 48657 56007 64876 74676 83412 84074 97314 112014 126111 145971 168148 194628 224028 252222 291942 294259 378333 504444 583884 588518 756666 882777 1177036 1513332 1765554 2059813 2648331 3531108 4119626 5296662 6179439 8239252 10593324 12358878 18538317 24717756 37076634 74153268