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537420457 = 7227338213
BaseRepresentation
bin100000000010000…
…110001010101001
31101110020210021101
4200002012022221
52100034423312
6125154441401
716213666330
oct4002061251
91343223241
10537420457
112563a5a42
1212bb93261
1387457792
1451536d17
15322aaa57
hex200862a9

537420457 has 8 divisors (see below), whose sum is σ = 616902336. Its totient is φ = 458615472.

The previous prime is 537420451. The next prime is 537420469. The reversal of 537420457 is 754024735.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 537420457 - 215 = 537387689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537420451) 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, 167518 + ... + 170695.

It is an arithmetic number, because the mean of its divisors is an integer number (77112792).

Almost surely, 2537420457 is an apocalyptic number.

It is an amenable number.

537420457 is a deficient number, since it is larger than the sum of its proper divisors (79481879).

537420457 is a wasteful number, since it uses less digits than its factorization.

537420457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338447.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 537420457 is about 23182.3307068120. The cubic root of 537420457 is about 813.0265561017.

The spelling of 537420457 in words is "five hundred thirty-seven million, four hundred twenty thousand, four hundred fifty-seven".

Divisors: 1 7 227 1589 338213 2367491 76774351 537420457