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36940821 = 313193997
BaseRepresentation
bin1000110011101…
…0110000010101
32120111210021120
42030322300111
533424101241
63355434153
7625664121
oct214726025
976453246
1036940821
1119941205
1210455959
137865298
144c98581
15339a666
hex233ac15

36940821 has 8 divisors (see below), whose sum is σ = 49630944. Its totient is φ = 24438960.

The previous prime is 36940819. The next prime is 36940873. The reversal of 36940821 is 12804963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36940821 - 21 = 36940819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36940621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46606 + ... + 47391.

It is an arithmetic number, because the mean of its divisors is an integer number (6203868).

Almost surely, 236940821 is an apocalyptic number.

It is an amenable number.

36940821 is a deficient number, since it is larger than the sum of its proper divisors (12690123).

36940821 is a wasteful number, since it uses less digits than its factorization.

36940821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94131.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 36940821 is about 6077.8960998030. The cubic root of 36940821 is about 333.0444349077.

The spelling of 36940821 in words is "thirty-six million, nine hundred forty thousand, eight hundred twenty-one".

Divisors: 1 3 131 393 93997 281991 12313607 36940821