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53642358 = 23372111997
BaseRepresentation
bin1100110010100…
…0010001110110
310201221022111000
43030220101312
5102213023413
65153424130
71220644500
oct314502166
9121838430
1053642358
1128309330
1215b6b046
13b162253
1471a4d70
154a99073
hex3328476

53642358 has 192 divisors, whose sum is σ = 160876800. Its totient is φ = 13063680.

The previous prime is 53642353. The next prime is 53642359. The reversal of 53642358 is 85324635.

It is a happy number.

53642358 is a `hidden beast` number, since 5 + 3 + 642 + 3 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53642353) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 552966 + ... + 553062.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 253642358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53642358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

53642358 is an abundant number, since it is smaller than the sum of its proper divisors (107234442).

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

53642358 is a wasteful number, since it uses less digits than its factorization.

53642358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 139 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53642358 is about 7324.0943467435. The cubic root of 53642358 is about 377.1400202709.

It can be divided in two parts, 53 and 642358, that added together give a triangular number (642411 = T1133).

The spelling of 53642358 in words is "fifty-three million, six hundred forty-two thousand, three hundred fifty-eight".