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45940830 = 23513117797
BaseRepresentation
bin1010111101000…
…0000001011110
310012110000222020
42233100001132
543230101310
64320401010
71065330165
oct257200136
9105400866
1045940830
1123a29031
1213476166
139696930
14615c3dc
154077170
hex2bd005e

45940830 has 32 divisors (see below), whose sum is σ = 118740384. Its totient is φ = 11308416.

The previous prime is 45940823. The next prime is 45940837. The reversal of 45940830 is 3804954.

It is an interprime number because it is at equal distance from previous prime (45940823) and next prime (45940837).

It is a super-2 number, since 2×459408302 = 4221119722177800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45940791 and 45940800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45940837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58509 + ... + 59288.

It is an arithmetic number, because the mean of its divisors is an integer number (3710637).

Almost surely, 245940830 is an apocalyptic number.

45940830 is an abundant number, since it is smaller than the sum of its proper divisors (72799554).

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

45940830 is a wasteful number, since it uses less digits than its factorization.

45940830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117820.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 45940830 is about 6777.9665092120. The cubic root of 45940830 is about 358.1510915145.

The spelling of 45940830 in words is "forty-five million, nine hundred forty thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 117797 235594 353391 588985 706782 1177970 1531361 1766955 3062722 3533910 4594083 7656805 9188166 15313610 22970415 45940830