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4494920 = 2351031091
BaseRepresentation
bin10001001001011001001000
322110100212112
4101021121020
52122314140
6240201452
753130503
oct21113110
98410775
104494920
1125a0111
121609288
13c14c21
1485013a
155dbc65
hex449648

4494920 has 32 divisors (see below), whose sum is σ = 10221120. Its totient is φ = 1778880.

The previous prime is 4494901. The next prime is 4494923. The reversal of 4494920 is 294944.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4494923) 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, 3575 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

Almost surely, 24494920 is an apocalyptic number.

4494920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4494920 is an abundant number, since it is smaller than the sum of its proper divisors (5726200).

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

4494920 is a wasteful number, since it uses less digits than its factorization.

4494920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4494920 is about 2120.1226379622. The cubic root of 4494920 is about 165.0342139029.

The spelling of 4494920 in words is "four million, four hundred ninety-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 1091 2060 2182 4120 4364 5455 8728 10910 21820 43640 112373 224746 449492 561865 898984 1123730 2247460 4494920