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200147428 = 221312730307
BaseRepresentation
bin10111110111000…
…00000111100100
3111221121112122201
423323200013210
5402214204203
631505504244
74650140125
oct1373400744
9457545581
10200147428
11a2a837a8
1257042084
1332609440
141c82004c
1512887e1d
hexbee01e4

200147428 has 24 divisors (see below), whose sum is σ = 380183552. Its totient is φ = 91645344.

The previous prime is 200147419. The next prime is 200147461. The reversal of 200147428 is 824741002.

200147428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200147396 and 200147405.

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, 8550 + ... + 21757.

Almost surely, 2200147428 is an apocalyptic number.

It is an amenable number.

200147428 is a deficient number, since it is larger than the sum of its proper divisors (180036124).

200147428 is a wasteful number, since it uses less digits than its factorization.

200147428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30451 (or 30449 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 200147428 is about 14147.3470304506. The cubic root of 200147428 is about 584.9472063785.

The spelling of 200147428 in words is "two hundred million, one hundred forty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 127 254 508 1651 3302 6604 30307 60614 121228 393991 787982 1575964 3848989 7697978 15395956 50036857 100073714 200147428