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745250142 = 2371347113257
BaseRepresentation
bin101100011010111…
…001110101011110
31220221022122000010
4230122321311132
53011241001032
6201541144050
724316343640
oct5432716536
91827278003
10745250142
1135274650a
121896bb026
13bb523820
1470d96890
154565eccc
hex2c6b9d5e

745250142 has 128 divisors (see below), whose sum is σ = 1897426944. Its totient is φ = 189923328.

The previous prime is 745250123. The next prime is 745250159. The reversal of 745250142 is 241052547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2899678 + ... + 2899934.

It is an arithmetic number, because the mean of its divisors is an integer number (14823648).

Almost surely, 2745250142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745250142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948713472).

745250142 is an abundant number, since it is smaller than the sum of its proper divisors (1152176802).

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

745250142 is a wasteful number, since it uses less digits than its factorization.

745250142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 745250142 is about 27299.2699902397. The cubic root of 745250142 is about 906.6382186924.

The spelling of 745250142 in words is "seven hundred forty-five million, two hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 47 78 91 94 113 141 182 226 257 273 282 329 339 514 546 611 658 678 771 791 987 1222 1469 1542 1582 1799 1833 1974 2373 2938 3341 3598 3666 4277 4407 4746 5311 5397 6682 8554 8814 10023 10283 10622 10794 12079 12831 15933 20046 20566 23387 24158 25662 29041 30849 31866 36237 37177 46774 58082 61698 69043 70161 72474 74354 84553 87123 111531 138086 140322 157027 169106 174246 203287 207129 223062 253659 314054 377533 406574 414258 471081 483301 507318 609861 755066 942162 966602 1099189 1132599 1219722 1364927 1449903 2198378 2265198 2642731 2729854 2899806 3297567 4094781 5285462 6595134 7928193 8189562 9554489 15856386 17744051 19108978 28663467 35488102 53232153 57326934 106464306 124208357 248416714 372625071 745250142