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48133490 = 254813349
BaseRepresentation
bin1011011110011…
…1010101110010
310100120102201212
42313213111302
544310232430
64435400122
71123061606
oct267472562
9110512655
1048133490
1125196449
1214153042
139c83972
14656d506
15435bb95
hex2de7572

48133490 has 8 divisors (see below), whose sum is σ = 86640300. Its totient is φ = 19253392.

The previous prime is 48133451. The next prime is 48133493. The reversal of 48133490 is 9433184.

It can be written as a sum of positive squares in 2 ways, for example, as 47596201 + 537289 = 6899^2 + 733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (48133493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406665 + ... + 2406684.

Almost surely, 248133490 is an apocalyptic number.

48133490 is a deficient number, since it is larger than the sum of its proper divisors (38506810).

48133490 is a wasteful number, since it uses less digits than its factorization.

48133490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813356.

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

The square root of 48133490 is about 6937.8303524949. The cubic root of 48133490 is about 363.7607059433.

The spelling of 48133490 in words is "forty-eight million, one hundred thirty-three thousand, four hundred ninety".

Divisors: 1 2 5 10 4813349 9626698 24066745 48133490