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424979480 = 23513777551
BaseRepresentation
bin11001010101001…
…010110000011000
31002121200012020202
4121111022300120
51332243320410
6110100441332
713350160142
oct3125126030
91077605222
10424979480
111a8987412
12ba3a9248
136a079363
1440627c92
1527499ca5
hex1954ac18

424979480 has 32 divisors (see below), whose sum is σ = 963195840. Its totient is φ = 168748800.

The previous prime is 424979461. The next prime is 424979483. The reversal of 424979480 is 84979424.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424979483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33296 + ... + 44255.

It is an arithmetic number, because the mean of its divisors is an integer number (30099870).

Almost surely, 2424979480 is an apocalyptic number.

424979480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424979480 is an abundant number, since it is smaller than the sum of its proper divisors (538216360).

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

424979480 is a wasteful number, since it uses less digits than its factorization.

424979480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77699 (or 77695 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 424979480 is about 20615.0304389783. The cubic root of 424979480 is about 751.8351975889.

The spelling of 424979480 in words is "four hundred twenty-four million, nine hundred seventy-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 137 274 548 685 1096 1370 2740 5480 77551 155102 310204 387755 620408 775510 1551020 3102040 10624487 21248974 42497948 53122435 84995896 106244870 212489740 424979480