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36307540 = 2251815377
BaseRepresentation
bin1000101010000…
…0001001010100
32112022121120201
42022200021110
533243320130
63334110244
7620415613
oct212401124
975277521
1036307540
1119549435
12101ab384
1376a2c69
144b7187a
1532c2bca
hex22a0254

36307540 has 12 divisors (see below), whose sum is σ = 76245876. Its totient is φ = 14523008.

The previous prime is 36307493. The next prime is 36307559. The reversal of 36307540 is 4570363.

It can be written as a sum of positive squares in 2 ways, for example, as 21958596 + 14348944 = 4686^2 + 3788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36307499 and 36307508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907669 + ... + 907708.

It is an arithmetic number, because the mean of its divisors is an integer number (6353823).

Almost surely, 236307540 is an apocalyptic number.

It is an amenable number.

36307540 is an abundant number, since it is smaller than the sum of its proper divisors (39938336).

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

36307540 is a wasteful number, since it uses less digits than its factorization.

36307540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815386 (or 1815384 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 36307540 is about 6025.5738315948. The cubic root of 36307540 is about 331.1303144209.

The spelling of 36307540 in words is "thirty-six million, three hundred seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1815377 3630754 7261508 9076885 18153770 36307540