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252593742 = 2364165677
BaseRepresentation
bin11110000111001…
…00011001001110
3122121022002110210
433003210121032
51004130444432
641021543250
76155003622
oct1703443116
9577262423
10252593742
1111a645465
1270714b26
134044016b
1425793182
15172978cc
hexf0e464e

252593742 has 16 divisors (see below), whose sum is σ = 505983312. Its totient is φ = 84065280.

The previous prime is 252593711. The next prime is 252593749. The reversal of 252593742 is 247395252.

252593742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252593742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252593749) 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, 28993 + ... + 36684.

It is an arithmetic number, because the mean of its divisors is an integer number (31623957).

Almost surely, 2252593742 is an apocalyptic number.

252593742 is an abundant number, since it is smaller than the sum of its proper divisors (253389570).

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

252593742 is a wasteful number, since it uses less digits than its factorization.

252593742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66323.

The product of its digits is 151200, while the sum is 39.

The square root of 252593742 is about 15893.1979790098. The cubic root of 252593742 is about 632.1316405136.

The spelling of 252593742 in words is "two hundred fifty-two million, five hundred ninety-three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 641 1282 1923 3846 65677 131354 197031 394062 42098957 84197914 126296871 252593742