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30714536 = 233839317
BaseRepresentation
bin111010100101…
…0101010101000
32010210110102102
41311022222220
530330331121
63014152532
7522032516
oct165125250
963713372
1030714536
1116379316
12a352748
1364952a8
1441174b6
152a6a90b
hex1d4aaa8

30714536 has 8 divisors (see below), whose sum is σ = 57589770. Its totient is φ = 15357264.

The previous prime is 30714533. The next prime is 30714553. The reversal of 30714536 is 63541703.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 1012036 = 5450^2 + 1006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 30714499 and 30714508.

It is not an unprimeable number, because it can be changed into a prime (30714533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919651 + ... + 1919666.

Almost surely, 230714536 is an apocalyptic number.

It is an amenable number.

30714536 is a deficient number, since it is larger than the sum of its proper divisors (26875234).

30714536 is a wasteful number, since it uses less digits than its factorization.

30714536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839323 (or 3839319 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 30714536 is about 5542.0696495082. The cubic root of 30714536 is about 313.1708417578.

The spelling of 30714536 in words is "thirty million, seven hundred fourteen thousand, five hundred thirty-six".

Divisors: 1 2 4 8 3839317 7678634 15357268 30714536