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49975642 = 2232937463
BaseRepresentation
bin1011111010100…
…1000101011010
310111001000200201
42332221011122
5100243210032
64543052414
71144533403
oct276510532
9114030621
1049975642
1126234492
12148a110a
13a47a2b2
1468cc9aa
1545c28e7
hex2fa915a

49975642 has 16 divisors (see below), whose sum is σ = 80922240. Its totient is φ = 23076592.

The previous prime is 49975603. The next prime is 49975649. The reversal of 49975642 is 24657994.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 49975592 and 49975601.

It is not an unprimeable number, because it can be changed into a prime (49975649) 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, 17398 + ... + 20065.

It is an arithmetic number, because the mean of its divisors is an integer number (5057640).

Almost surely, 249975642 is an apocalyptic number.

49975642 is a deficient number, since it is larger than the sum of its proper divisors (30946598).

49975642 is a wasteful number, since it uses less digits than its factorization.

49975642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37517.

The product of its digits is 544320, while the sum is 46.

The square root of 49975642 is about 7069.3452313492. The cubic root of 49975642 is about 368.3433163873.

The spelling of 49975642 in words is "forty-nine million, nine hundred seventy-five thousand, six hundred forty-two".

Divisors: 1 2 23 29 46 58 667 1334 37463 74926 861649 1086427 1723298 2172854 24987821 49975642