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75709842 = 23134322573
BaseRepresentation
bin1001000001100…
…11110110010010
312021110110101020
410200303312102
5123340203332
611302420310
71606344255
oct440636622
9167413336
1075709842
1139810a1a
1221431696
13128ba730
14a0ab09c
1569a782c
hex4833d92

75709842 has 32 divisors (see below), whose sum is σ = 166867008. Its totient is φ = 22752576.

The previous prime is 75709793. The next prime is 75709871. The reversal of 75709842 is 24890757.

It is a junction number, because it is equal to n+sod(n) for n = 75709794 and 75709803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7933 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (5214594).

Almost surely, 275709842 is an apocalyptic number.

75709842 is an abundant number, since it is smaller than the sum of its proper divisors (91157166).

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

75709842 is a wasteful number, since it uses less digits than its factorization.

75709842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22634.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 75709842 is about 8701.1402701025. The cubic root of 75709842 is about 423.0426103759.

The spelling of 75709842 in words is "seventy-five million, seven hundred nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 22573 45146 67719 135438 293449 586898 880347 970639 1760694 1941278 2911917 5823834 12618307 25236614 37854921 75709842