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354495040 = 2651107797
BaseRepresentation
bin10101001000010…
…010101001000000
3220201001012202221
4111020102221000
51211222320130
655102020424
711533105144
oct2510225100
9821035687
10354495040
11172115409
129a877714
135859b1a3
143511b224
15211c587a
hex15212a40

354495040 has 28 divisors (see below), whose sum is σ = 844142076. Its totient is φ = 141797888.

The previous prime is 354495023. The next prime is 354495047. The reversal of 354495040 is 40594453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 259081216 + 95413824 = 16096^2 + 9768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 354494987 and 354495005.

It is not an unprimeable number, because it can be changed into a prime (354495047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553579 + ... + 554218.

Almost surely, 2354495040 is an apocalyptic number.

It is an amenable number.

354495040 is an abundant number, since it is smaller than the sum of its proper divisors (489647036).

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

354495040 is a wasteful number, since it uses less digits than its factorization.

354495040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107814 (or 1107804 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 354495040 is about 18828.0386657772. The cubic root of 354495040 is about 707.7339909528.

The spelling of 354495040 in words is "three hundred fifty-four million, four hundred ninety-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1107797 2215594 4431188 5538985 8862376 11077970 17724752 22155940 35449504 44311880 70899008 88623760 177247520 354495040