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27996952 = 233499619
BaseRepresentation
bin110101011001…
…1001100011000
31221200101121011
41222303030120
524131400302
62440023304
7456653524
oct152631430
957611534
1027996952
1114892585
129461b34
135a53359
143a0ad84
1526d05d7
hex1ab3318

27996952 has 8 divisors (see below), whose sum is σ = 52494300. Its totient is φ = 13998472.

The previous prime is 27996931. The next prime is 27996953. The reversal of 27996952 is 25969972.

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 = 27996896 and 27996905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27996953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749802 + ... + 1749817.

Almost surely, 227996952 is an apocalyptic number.

It is an amenable number.

27996952 is a deficient number, since it is larger than the sum of its proper divisors (24497348).

27996952 is a wasteful number, since it uses less digits than its factorization.

27996952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499625 (or 3499621 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 27996952 is about 5291.2146053624. The cubic root of 27996952 is about 303.6478783077.

The spelling of 27996952 in words is "twenty-seven million, nine hundred ninety-six thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 3499619 6999238 13998476 27996952