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30553407 = 3223672203
BaseRepresentation
bin111010010001…
…1010100111111
32010111021101200
41310203110333
530310202112
63010510543
7520461663
oct164432477
963437350
1030553407
1116279255
12a295453
136439b51
1440b48a3
152a37cdc
hex1d2353f

30553407 has 24 divisors (see below), whose sum is σ = 46760064. Its totient is φ = 19183824.

The previous prime is 30553399. The next prime is 30553421. The reversal of 30553407 is 70435503.

It is a happy number.

It is not a de Polignac number, because 30553407 - 23 = 30553399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12768 + ... + 14970.

It is an arithmetic number, because the mean of its divisors is an integer number (1948336).

Almost surely, 230553407 is an apocalyptic number.

30553407 is a deficient number, since it is larger than the sum of its proper divisors (16206657).

30553407 is a wasteful number, since it uses less digits than its factorization.

30553407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30553407 is about 5527.5136363468. The cubic root of 30553407 is about 312.6222480644.

The spelling of 30553407 in words is "thirty million, five hundred fifty-three thousand, four hundred seven".

Divisors: 1 3 9 23 67 69 201 207 603 1541 2203 4623 6609 13869 19827 50669 147601 152007 442803 456021 1328409 3394823 10184469 30553407