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52142702 = 2231133537
BaseRepresentation
bin1100011011101…
…0001001101110
310122010010100012
43012322021232
5101322031302
65101333222
71202130353
oct306721156
9118103305
1052142702
1127484647
1215567212
13aa58791
146cd462a
15489ea52
hex31ba26e

52142702 has 8 divisors (see below), whose sum is σ = 81614736. Its totient is φ = 24937792.

The previous prime is 52142687. The next prime is 52142711. The reversal of 52142702 is 20724125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×521427022 = 5437722743721608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566723 + ... + 566814.

It is an arithmetic number, because the mean of its divisors is an integer number (10201842).

Almost surely, 252142702 is an apocalyptic number.

52142702 is a deficient number, since it is larger than the sum of its proper divisors (29472034).

52142702 is a wasteful number, since it uses less digits than its factorization.

52142702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133562.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52142702 is about 7220.9903752879. The cubic root of 52142702 is about 373.5922376789.

Adding to 52142702 its reverse (20724125), we get a palindrome (72866827).

The spelling of 52142702 in words is "fifty-two million, one hundred forty-two thousand, seven hundred two".

Divisors: 1 2 23 46 1133537 2267074 26071351 52142702