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49200030 = 23251149697
BaseRepresentation
bin1011101110101…
…1101110011110
310102120121202100
42323223232132
5100043400110
64514305530
71135123215
oct273535636
9112517670
1049200030
1125854790
12145882a6
13a268259
14676a07c
1544bcbc0
hex2eebb9e

49200030 has 48 divisors (see below), whose sum is σ = 139551984. Its totient is φ = 11927040.

The previous prime is 49200017. The next prime is 49200077. The reversal of 49200030 is 3000294.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 49199976 and 49200012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23859 + ... + 25838.

It is an arithmetic number, because the mean of its divisors is an integer number (2907333).

Almost surely, 249200030 is an apocalyptic number.

49200030 is an abundant number, since it is smaller than the sum of its proper divisors (90351954).

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

49200030 is a wasteful number, since it uses less digits than its factorization.

49200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49721 (or 49718 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 49200030 is about 7014.2733051971. The cubic root of 49200030 is about 366.4278343668.

The spelling of 49200030 in words is "forty-nine million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 49697 99394 149091 248485 298182 447273 496970 546667 745455 894546 1093334 1490910 1640001 2236365 2733335 3280002 4472730 4920003 5466670 8200005 9840006 16400010 24600015 49200030