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30089475 = 365213127
BaseRepresentation
bin111001011001…
…0000100000011
32002121201000000
41302302010003
530200330400
62552531043
7513520263
oct162620403
962551000
1030089475
1115a91739
12a0b0a83
136306930
143dd37a3
152995600
hex1cb2103

30089475 has 84 divisors (see below), whose sum is σ = 60718336. Its totient is φ = 14696640.

The previous prime is 30089471. The next prime is 30089489. The reversal of 30089475 is 57498003.

It is not a de Polignac number, because 30089475 - 22 = 30089471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30089471) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 236862 + ... + 236988.

Almost surely, 230089475 is an apocalyptic number.

30089475 is an abundant number, since it is smaller than the sum of its proper divisors (30628861).

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

30089475 is a wasteful number, since it uses less digits than its factorization.

30089475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 30089475 is about 5485.3874065557. The cubic root of 30089475 is about 311.0318546928.

The spelling of 30089475 in words is "thirty million, eighty-nine thousand, four hundred seventy-five".

Divisors: 1 3 5 9 13 15 25 27 39 45 65 75 81 117 127 135 195 225 243 325 351 381 405 585 635 675 729 975 1053 1143 1215 1651 1755 1905 2025 2925 3159 3175 3429 3645 4953 5265 5715 6075 8255 8775 9477 9525 10287 14859 15795 17145 18225 24765 26325 28575 30861 41275 44577 47385 51435 74295 78975 85725 92583 123825 133731 154305 222885 236925 257175 371475 401193 462915 668655 771525 1114425 1203579 2005965 2314575 3343275 6017895 10029825 30089475