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30490626 = 2330716553
BaseRepresentation
bin111010001010…
…0000000000010
32010101002021110
41310110000002
530301200001
63005304150
7520110645
oct164240002
963332243
1030490626
1116236071
12a265056
1364173ba
144099a5c
152a243d6
hex1d14002

30490626 has 16 divisors (see below), whose sum is σ = 61183584. Its totient is φ = 10129824.

The previous prime is 30490591. The next prime is 30490637. The reversal of 30490626 is 62609403.

It is a junction number, because it is equal to n+sod(n) for n = 30490593 and 30490602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6435 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (3823974).

Almost surely, 230490626 is an apocalyptic number.

30490626 is an abundant number, since it is smaller than the sum of its proper divisors (30692958).

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

30490626 is a wasteful number, since it uses less digits than its factorization.

30490626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30490626 is about 5521.8317612908. The cubic root of 30490626 is about 312.4079763172.

The spelling of 30490626 in words is "thirty million, four hundred ninety thousand, six hundred twenty-six".

Divisors: 1 2 3 6 307 614 921 1842 16553 33106 49659 99318 5081771 10163542 15245313 30490626