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30428954 = 2234791381
BaseRepresentation
bin111010000010…
…0111100011010
32010020221200022
41310010330122
530242211304
63004110442
7516433103
oct164047432
963227608
1030428954
11161a37a6
12a235422
1363c52ca
1440813aa
152a10ebe
hex1d04f1a

30428954 has 16 divisors (see below), whose sum is σ = 47761920. Its totient is φ = 14512080.

The previous prime is 30428947. The next prime is 30428969. The reversal of 30428954 is 45982403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21344 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (2985120).

Almost surely, 230428954 is an apocalyptic number.

30428954 is a deficient number, since it is larger than the sum of its proper divisors (17332966).

30428954 is a wasteful number, since it uses less digits than its factorization.

30428954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 30428954 is about 5516.2445558550. The cubic root of 30428954 is about 312.1972030195.

The spelling of 30428954 in words is "thirty million, four hundred twenty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 23 46 479 958 1381 2762 11017 22034 31763 63526 661499 1322998 15214477 30428954