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354064240 = 24519232937
BaseRepresentation
bin10101000110101…
…001011101110000
3220200020022211101
4111012221131300
51211120023430
655044454144
711526332155
oct2506513560
9820208741
10354064240
11171950782
129a6aa354
135847a08a
143504822c
152113cdca
hex151a9770

354064240 has 40 divisors (see below), whose sum is σ = 866529360. Its totient is φ = 134171136.

The previous prime is 354064229. The next prime is 354064241. The reversal of 354064240 is 42460453.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3540642402 = 250722972093555200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354064199 and 354064208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354064241) 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, 114949 + ... + 117988.

It is an arithmetic number, because the mean of its divisors is an integer number (21663234).

Almost surely, 2354064240 is an apocalyptic number.

It is an amenable number.

354064240 is an abundant number, since it is smaller than the sum of its proper divisors (512465120).

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

354064240 is a wasteful number, since it uses less digits than its factorization.

354064240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232969 (or 232963 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 354064240 is about 18816.5948035238. The cubic root of 354064240 is about 707.4471835611.

The spelling of 354064240 in words is "three hundred fifty-four million, sixty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 232937 465874 931748 1164685 1863496 2329370 3726992 4425803 4658740 8851606 9317480 17703212 18634960 22129015 35406424 44258030 70812848 88516060 177032120 354064240