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2990648 = 23541691
BaseRepresentation
bin1011011010001000111000
312121221101202
423122020320
51231200043
6144033332
734264043
oct13321070
95557352
102990648
111762a11
121002848
1380931b
1457bc5a
153e11b8
hex2da238

2990648 has 16 divisors (see below), whose sum is σ = 5625960. Its totient is φ = 1490400.

The previous prime is 2990639. The next prime is 2990677. The reversal of 2990648 is 8460992.

It is a super-3 number, since 3×29906483 = 80244846963632933376, which contains 333 as substring.

It is an Ulam number.

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, 3983 + ... + 4673.

22990648 is an apocalyptic number.

It is an amenable number.

2990648 is a deficient number, since it is larger than the sum of its proper divisors (2635312).

2990648 is a wasteful number, since it uses less digits than its factorization.

2990648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2990648 is about 1729.3490104661. The cubic root of 2990648 is about 144.0749352780.

The spelling of 2990648 in words is "two million, nine hundred ninety thousand, six hundred forty-eight".

Divisors: 1 2 4 8 541 691 1082 1382 2164 2764 4328 5528 373831 747662 1495324 2990648