Search a number
-
+
30213608 = 2337103991
BaseRepresentation
bin111001101000…
…0010111101000
32002212000021112
41303100113220
530213313413
62555325452
7514545215
oct163202750
962760245
1030213608
1116066a27
12a150888
13634b299
144026b0c
1529bc2a8
hex1cd05e8

30213608 has 32 divisors (see below), whose sum is σ = 58805760. Its totient is φ = 14541120.

The previous prime is 30213593. The next prime is 30213613. The reversal of 30213608 is 80631203.

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, 29993 + ... + 30983.

It is an arithmetic number, because the mean of its divisors is an integer number (1837680).

Almost surely, 230213608 is an apocalyptic number.

It is an amenable number.

30213608 is a deficient number, since it is larger than the sum of its proper divisors (28592152).

30213608 is a wasteful number, since it uses less digits than its factorization.

30213608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30213608 is about 5496.6906407401. The cubic root of 30213608 is about 311.4589846091.

The spelling of 30213608 in words is "thirty million, two hundred thirteen thousand, six hundred eight".

Divisors: 1 2 4 8 37 74 103 148 206 296 412 824 991 1982 3811 3964 7622 7928 15244 30488 36667 73334 102073 146668 204146 293336 408292 816584 3776701 7553402 15106804 30213608