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488350920 = 233519214189
BaseRepresentation
bin11101000110111…
…010010011001000
31021000220210112010
4131012322103020
52000004212140
6120243015520
715046625421
oct3506722310
91230823463
10488350920
11230730302
1211766a5a0
137a236a55
1448c02648
152cd16880
hex1d1ba4c8

488350920 has 64 divisors (see below), whose sum is σ = 1542168000. Its totient is φ = 123372288.

The previous prime is 488350909. The next prime is 488350937. The reversal of 488350920 is 29053884.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104815 + ... + 109374.

It is an arithmetic number, because the mean of its divisors is an integer number (24096375).

Almost surely, 2488350920 is an apocalyptic number.

488350920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488350920 is an abundant number, since it is smaller than the sum of its proper divisors (1053817080).

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

488350920 is a wasteful number, since it uses less digits than its factorization.

488350920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214222 (or 214218 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 488350920 is about 22098.6633079922. The cubic root of 488350920 is about 787.4881066483.

The spelling of 488350920 in words is "four hundred eighty-eight million, three hundred fifty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 214189 428378 642567 856756 1070945 1285134 1713512 2141890 2570268 3212835 4069591 4283780 5140536 6425670 8139182 8567560 12208773 12851340 16278364 20347955 24417546 25702680 32556728 40695910 48835092 61043865 81391820 97670184 122087730 162783640 244175460 488350920