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36740731 = 154923719
BaseRepresentation
bin1000110000100…
…1111001111011
32120010121210211
42030021321323
533401200411
63351251551
7624201556
oct214117173
976117724
1036740731
1119814945
1210379bb7
1377c51a1
144c4569d
15335b221
hex2309e7b

36740731 has 4 divisors (see below), whose sum is σ = 36766000. Its totient is φ = 36715464.

The previous prime is 36740677. The next prime is 36740761. The reversal of 36740731 is 13704763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13704763 = 37370399.

It is a cyclic number.

It is not a de Polignac number, because 36740731 - 27 = 36740603 is a prime.

It is a super-2 number, since 2×367407312 = 2699762628828722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36740693 and 36740702.

It is not an unprimeable number, because it can be changed into a prime (36740761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10311 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (9191500).

Almost surely, 236740731 is an apocalyptic number.

36740731 is a deficient number, since it is larger than the sum of its proper divisors (25269).

36740731 is a wasteful number, since it uses less digits than its factorization.

36740731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 36740731 is about 6061.4132840452. The cubic root of 36740731 is about 332.4420341035.

The spelling of 36740731 in words is "thirty-six million, seven hundred forty thousand, seven hundred thirty-one".

Divisors: 1 1549 23719 36740731