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2190948 = 223182579
BaseRepresentation
bin1000010110111001100100
311010022102020
420112321210
51030102243
6114543140
724423414
oct10267144
94108366
102190948
111267101
12897ab0
135b9326
14410644
152d4283
hex216e64

2190948 has 12 divisors (see below), whose sum is σ = 5112240. Its totient is φ = 730312.

The previous prime is 2190901. The next prime is 2190959. The reversal of 2190948 is 8490912.

It is a tau number, because it is divible by the number of its divisors (12).

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, 91278 + ... + 91301.

It is an arithmetic number, because the mean of its divisors is an integer number (426020).

22190948 is an apocalyptic number.

It is an amenable number.

2190948 is an abundant number, since it is smaller than the sum of its proper divisors (2921292).

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

2190948 is a wasteful number, since it uses less digits than its factorization.

2190948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182586 (or 182584 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2190948 is about 1480.1851235572. The cubic root of 2190948 is about 129.8805213886.

The spelling of 2190948 in words is "two million, one hundred ninety thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 182579 365158 547737 730316 1095474 2190948