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48021949 = 1911322367
BaseRepresentation
bin1011011100110…
…0000110111101
310100100202201201
42313030012331
544243200244
64433135501
71122115453
oct267140675
9110322651
1048021949
112511a668
12140ba591
139c44c71
1465409d3
154338ad4
hex2dcc1bd

48021949 has 8 divisors (see below), whose sum is σ = 50999040. Its totient is φ = 45089856.

The previous prime is 48021943. The next prime is 48021971. The reversal of 48021949 is 94912084.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 48021949 - 219 = 47497661 is a prime.

It is a super-2 number, since 2×480219492 = 4612215171517202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48021943) 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, 9037 + ... + 13330.

It is an arithmetic number, because the mean of its divisors is an integer number (6374880).

Almost surely, 248021949 is an apocalyptic number.

It is an amenable number.

48021949 is a deficient number, since it is larger than the sum of its proper divisors (2977091).

48021949 is a wasteful number, since it uses less digits than its factorization.

48021949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22499.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 48021949 is about 6929.7870818662. The cubic root of 48021949 is about 363.4795045417.

The spelling of 48021949 in words is "forty-eight million, twenty-one thousand, nine hundred forty-nine".

Divisors: 1 19 113 2147 22367 424973 2527471 48021949