Search a number
-
+
45499120 = 2451972887
BaseRepresentation
bin1010110110010…
…0001011110000
310011121121001121
42231210023300
543121432440
64303112024
71061510332
oct255441360
9104547047
1045499120
1123757187
12132a2614
139570874
146085452
153edb34a
hex2b642f0

45499120 has 40 divisors (see below), whose sum is σ = 106359264. Its totient is φ = 18100992.

The previous prime is 45499093. The next prime is 45499121. The reversal of 45499120 is 2199454.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45499121) 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, 14317 + ... + 17203.

Almost surely, 245499120 is an apocalyptic number.

45499120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45499120 is an abundant number, since it is smaller than the sum of its proper divisors (60860144).

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

45499120 is a wasteful number, since it uses less digits than its factorization.

45499120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 45499120 is about 6745.3035513608. The cubic root of 45499120 is about 356.9995475309. Note that the first 3 decimals are identical.

The spelling of 45499120 in words is "forty-five million, four hundred ninety-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 197 394 788 985 1576 1970 2887 3152 3940 5774 7880 11548 14435 15760 23096 28870 46192 57740 115480 230960 568739 1137478 2274956 2843695 4549912 5687390 9099824 11374780 22749560 45499120