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6269490 = 232569661
BaseRepresentation
bin10111111010101000110010
3102210112010100
4113322220302
53101110430
6342213230
7104201253
oct27725062
912715110
106269490
1135a23a7
122124216
1313b6876
14b92b2a
1583c960
hex5faa32

6269490 has 24 divisors (see below), whose sum is σ = 16300908. Its totient is φ = 1671840.

The previous prime is 6269489. The next prime is 6269491. The reversal of 6269490 is 949626.

It is an interprime number because it is at equal distance from previous prime (6269489) and next prime (6269491).

It can be written as a sum of positive squares in 2 ways, for example, as 5517801 + 751689 = 2349^2 + 867^2 .

It is not an unprimeable number, because it can be changed into a prime (6269491) 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 11 ways as a sum of consecutive naturals, for example, 34741 + ... + 34920.

Almost surely, 26269490 is an apocalyptic number.

6269490 is an abundant number, since it is smaller than the sum of its proper divisors (10031418).

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

6269490 is a wasteful number, since it uses less digits than its factorization.

6269490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69674 (or 69671 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6269490 is about 2503.8949658482. The cubic root of 6269490 is about 184.3928476451.

The spelling of 6269490 in words is "six million, two hundred sixty-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 69661 139322 208983 348305 417966 626949 696610 1044915 1253898 2089830 3134745 6269490