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36130731 = 3713132347
BaseRepresentation
bin1000100111010…
…0111110101011
32111222122001020
42021310332223
533222140411
63330223523
7616051260
oct211647653
974878036
1036130731
111943860a
1210124ba3
137640640
144b27267
15328a606
hex2274fab

36130731 has 16 divisors (see below), whose sum is σ = 59291904. Its totient is φ = 19057824.

The previous prime is 36130711. The next prime is 36130739. The reversal of 36130731 is 13703163.

It is not a de Polignac number, because 36130731 - 26 = 36130667 is a prime.

It is a super-2 number, since 2×361307312 = 2610859445188722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36130739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65901 + ... + 66446.

It is an arithmetic number, because the mean of its divisors is an integer number (3705744).

Almost surely, 236130731 is an apocalyptic number.

36130731 is a deficient number, since it is larger than the sum of its proper divisors (23161173).

36130731 is a wasteful number, since it uses less digits than its factorization.

36130731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132370.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 36130731 is about 6010.8843775272. The cubic root of 36130731 is about 330.5919311721.

Adding to 36130731 its reverse (13703163), we get a palindrome (49833894).

The spelling of 36130731 in words is "thirty-six million, one hundred thirty thousand, seven hundred thirty-one".

Divisors: 1 3 7 13 21 39 91 273 132347 397041 926429 1720511 2779287 5161533 12043577 36130731