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52213707 = 3371379269
BaseRepresentation
bin1100011100101…
…1011111001011
310122020201202000
43013023133023
5101331314312
65103042043
71202544360
oct307133713
9118221660
1052213707
1127522a27
12155a0323
13aa81bb0
146d12467
1548b5adc
hex31cb7cb

52213707 has 64 divisors (see below), whose sum is σ = 96768000. Its totient is φ = 27091584.

The previous prime is 52213699. The next prime is 52213741. The reversal of 52213707 is 70731225.

52213707 is a `hidden beast` number, since 522 + 137 + 0 + 7 = 666.

It is not a de Polignac number, because 52213707 - 23 = 52213699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193969 + ... + 194237.

It is an arithmetic number, because the mean of its divisors is an integer number (1512000).

Almost surely, 252213707 is an apocalyptic number.

52213707 is a deficient number, since it is larger than the sum of its proper divisors (44554293).

52213707 is a wasteful number, since it uses less digits than its factorization.

52213707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 52213707 is about 7225.9052720057. The cubic root of 52213707 is about 373.7617397311.

The spelling of 52213707 in words is "fifty-two million, two hundred thirteen thousand, seven hundred seven".

Divisors: 1 3 7 9 13 21 27 39 63 79 91 117 189 237 269 273 351 553 711 807 819 1027 1659 1883 2133 2421 2457 3081 3497 4977 5649 7189 7263 9243 10491 14931 16947 21251 21567 24479 27729 31473 50841 63753 64701 73437 94419 148757 191259 194103 220311 276263 446271 573777 660933 828789 1338813 1933841 2486367 4016439 5801523 7459101 17404569 52213707