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69430772 = 2217357693
BaseRepresentation
bin1000010001101…
…10110111110100
311211122110010002
410020312313310
5120233241042
610520050432
71502103035
oct410666764
9154573102
1069430772
1136212404
121b303a18
13114cc6c8
149314a8c
156167132
hex4236df4

69430772 has 6 divisors (see below), whose sum is σ = 121503858. Its totient is φ = 34715384.

The previous prime is 69430747. The next prime is 69430799. The reversal of 69430772 is 27703496.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 2910436 = 8156^2 + 1706^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8678843 + ... + 8678850.

It is an arithmetic number, because the mean of its divisors is an integer number (20250643).

Almost surely, 269430772 is an apocalyptic number.

It is an amenable number.

69430772 is a deficient number, since it is larger than the sum of its proper divisors (52073086).

69430772 is a wasteful number, since it uses less digits than its factorization.

69430772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17357697 (or 17357695 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 69430772 is about 8332.5129462846. The cubic root of 69430772 is about 411.0083686332.

The spelling of 69430772 in words is "sixty-nine million, four hundred thirty thousand, seven hundred seventy-two".

Divisors: 1 2 4 17357693 34715386 69430772