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46489720 = 2351162243
BaseRepresentation
bin1011000101011…
…0000001111000
310020110220220111
42301112001320
543400132340
64340234104
71103104354
oct261260170
9106426814
1046489720
1124273462
121369b934
139829714
146262464
154134aea
hex2c56078

46489720 has 16 divisors (see below), whose sum is σ = 104601960. Its totient is φ = 18595872.

The previous prime is 46489643. The next prime is 46489727. The reversal of 46489720 is 2798464.

It is a super-2 number, since 2×464897202 = 4322588131356800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1162243 = 46489720 / (4 + 6 + 4 + 8 + 9 + 7 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46489727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581082 + ... + 581161.

Almost surely, 246489720 is an apocalyptic number.

46489720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46489720 is an abundant number, since it is smaller than the sum of its proper divisors (58112240).

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

46489720 is a wasteful number, since it uses less digits than its factorization.

46489720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162254 (or 1162250 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 46489720 is about 6818.3370406573. The cubic root of 46489720 is about 359.5718160228.

The spelling of 46489720 in words is "forty-six million, four hundred eighty-nine thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1162243 2324486 4648972 5811215 9297944 11622430 23244860 46489720