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30022859 = 2931231
BaseRepresentation
bin111001010000…
…1110011001011
32002111022121202
41302201303023
530141212414
62551254415
7513122126
oct162416313
962438552
1030022859
1115a46689
12a07a40b
1362b2509
143db73bd
1529809de
hex1ca1ccb

30022859 has 8 divisors (see below), whose sum is σ = 31120320. Its totient is φ = 28964040.

The previous prime is 30022841. The next prime is 30022871. The reversal of 30022859 is 95822003.

It is not a de Polignac number, because 30022859 - 224 = 13245643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30022819) 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 7 ways as a sum of consecutive naturals, for example, 23774 + ... + 25004.

It is an arithmetic number, because the mean of its divisors is an integer number (3890040).

Almost surely, 230022859 is an apocalyptic number.

30022859 is a deficient number, since it is larger than the sum of its proper divisors (1097461).

30022859 is an frugal number, since it uses more digits than its factorization.

30022859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30022859 is about 5479.3119093550. The cubic root of 30022859 is about 310.8021508122.

The spelling of 30022859 in words is "thirty million, twenty-two thousand, eight hundred fifty-nine".

Divisors: 1 29 841 1231 24389 35699 1035271 30022859