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49220372 = 2217723829
BaseRepresentation
bin1011101111000…
…0101100010100
310102121122122202
42323300230110
5100100022442
64514544032
71135236425
oct273605424
9112548582
1049220372
1125868aa3
1214598018
13a2745a6
14677364c
1544c3c32
hex2ef0b14

49220372 has 12 divisors (see below), whose sum is σ = 91202580. Its totient is φ = 23162496.

The previous prime is 49220371. The next prime is 49220387. The reversal of 49220372 is 27302294.

It is a happy number.

49220372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33570436 + 15649936 = 5794^2 + 3956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49220371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361847 + ... + 361982.

It is an arithmetic number, because the mean of its divisors is an integer number (7600215).

Almost surely, 249220372 is an apocalyptic number.

It is an amenable number.

49220372 is a deficient number, since it is larger than the sum of its proper divisors (41982208).

49220372 is a wasteful number, since it uses less digits than its factorization.

49220372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723850 (or 723848 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 49220372 is about 7015.7231986446. The cubic root of 49220372 is about 366.4783278859.

The spelling of 49220372 in words is "forty-nine million, two hundred twenty thousand, three hundred seventy-two".

Divisors: 1 2 4 17 34 68 723829 1447658 2895316 12305093 24610186 49220372