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52400467 = 797229337
BaseRepresentation
bin1100011111100…
…1000101010011
310122121012221001
43013321011103
5101403303332
65111042431
71204253020
oct307710523
9118535831
1052400467
1127640279
1215670417
13ab18bc2
146d60547
1549010e7
hex31f9153

52400467 has 16 divisors (see below), whose sum is σ = 60948160. Its totient is φ = 44126208.

The previous prime is 52400459. The next prime is 52400471. The reversal of 52400467 is 76400425.

It is not a de Polignac number, because 52400467 - 23 = 52400459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52400167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155323 + ... + 155659.

It is an arithmetic number, because the mean of its divisors is an integer number (3809260).

Almost surely, 252400467 is an apocalyptic number.

52400467 is a deficient number, since it is larger than the sum of its proper divisors (8547693).

52400467 is a wasteful number, since it uses less digits than its factorization.

52400467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 52400467 is about 7238.8166850667. The cubic root of 52400467 is about 374.2068379370.

The spelling of 52400467 in words is "fifty-two million, four hundred thousand, four hundred sixty-seven".

Divisors: 1 7 97 229 337 679 1603 2359 22213 32689 77173 155491 228823 540211 7485781 52400467